derek.holloway
7502bf64a4
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369 lines
12 KiB
LLVM
369 lines
12 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc -mtriple=arm-unknown-linux-gnueabihf -mattr=+vfp2 < %s | FileCheck -check-prefixes=AAPCS-HARD,GNU-AAPCS-HARD %s
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; RUN: llc -mtriple=arm-unknown-linux-gnueabi -mattr=+vfp2 < %s | FileCheck -check-prefixes=AAPCS-SOFT,GNU-AAPCS-SOFT %s
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; RUN: llc -mtriple=arm-unknown-linux-eabihf -mattr=+vfp2 < %s | FileCheck -check-prefixes=AAPCS-HARD,EABI-HARD %s
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; RUN: llc -mtriple=arm-unknown-linux-eabi -mattr=+vfp2 < %s | FileCheck -check-prefixes=AAPCS-SOFT,EABI-SOFT %s
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; RUN: llc -mtriple=armv7-unknown-linux -target-abi=apcs -float-abi=soft < %s | FileCheck -check-prefix=APCS %s
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; RUN: llc -mtriple=armv7-unknown-linux -target-abi=apcs -float-abi=hard < %s | FileCheck -check-prefix=APCS %s
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; RUN: llc -mtriple=armv7k-apple-watchos2.0 -mcpu=cortex-a7 < %s | FileCheck -check-prefix=WATCHABI-HARD %s
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; RUN: llc -mtriple=armv7k-apple-watchos2.0 -mcpu=cortex-a7 -float-abi=soft < %s | FileCheck -check-prefix=WATCHABI-SOFT %s
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define i1 @test(half %self) #0 {
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; GNU-AAPCS-HARD-LABEL: test:
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; GNU-AAPCS-HARD: @ %bb.0:
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; GNU-AAPCS-HARD-NEXT: .save {r11, lr}
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; GNU-AAPCS-HARD-NEXT: push {r11, lr}
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; GNU-AAPCS-HARD-NEXT: vmov r0, s0
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; GNU-AAPCS-HARD-NEXT: bl __gnu_h2f_ieee
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; GNU-AAPCS-HARD-NEXT: vmov s0, r0
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; GNU-AAPCS-HARD-NEXT: mov r0, #0
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; GNU-AAPCS-HARD-NEXT: vcmp.f32 s0, s0
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; GNU-AAPCS-HARD-NEXT: vmrs APSR_nzcv, fpscr
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; GNU-AAPCS-HARD-NEXT: movvs r0, #1
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; GNU-AAPCS-HARD-NEXT: pop {r11, lr}
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; GNU-AAPCS-HARD-NEXT: mov pc, lr
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;
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; GNU-AAPCS-SOFT-LABEL: test:
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; GNU-AAPCS-SOFT: @ %bb.0:
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; GNU-AAPCS-SOFT-NEXT: .save {r11, lr}
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; GNU-AAPCS-SOFT-NEXT: push {r11, lr}
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; GNU-AAPCS-SOFT-NEXT: bl __gnu_h2f_ieee
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; GNU-AAPCS-SOFT-NEXT: vmov s0, r0
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; GNU-AAPCS-SOFT-NEXT: mov r0, #0
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; GNU-AAPCS-SOFT-NEXT: vcmp.f32 s0, s0
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; GNU-AAPCS-SOFT-NEXT: vmrs APSR_nzcv, fpscr
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; GNU-AAPCS-SOFT-NEXT: movvs r0, #1
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; GNU-AAPCS-SOFT-NEXT: pop {r11, lr}
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; GNU-AAPCS-SOFT-NEXT: mov pc, lr
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;
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; EABI-HARD-LABEL: test:
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; EABI-HARD: @ %bb.0:
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; EABI-HARD-NEXT: .save {r11, lr}
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; EABI-HARD-NEXT: push {r11, lr}
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; EABI-HARD-NEXT: vmov r0, s0
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; EABI-HARD-NEXT: bl __aeabi_h2f
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; EABI-HARD-NEXT: vmov s0, r0
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; EABI-HARD-NEXT: mov r0, #0
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; EABI-HARD-NEXT: vcmp.f32 s0, s0
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; EABI-HARD-NEXT: vmrs APSR_nzcv, fpscr
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; EABI-HARD-NEXT: movvs r0, #1
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; EABI-HARD-NEXT: pop {r11, lr}
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; EABI-HARD-NEXT: mov pc, lr
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;
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; EABI-SOFT-LABEL: test:
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; EABI-SOFT: @ %bb.0:
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; EABI-SOFT-NEXT: .save {r11, lr}
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; EABI-SOFT-NEXT: push {r11, lr}
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; EABI-SOFT-NEXT: bl __aeabi_h2f
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; EABI-SOFT-NEXT: vmov s0, r0
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; EABI-SOFT-NEXT: mov r0, #0
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; EABI-SOFT-NEXT: vcmp.f32 s0, s0
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; EABI-SOFT-NEXT: vmrs APSR_nzcv, fpscr
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; EABI-SOFT-NEXT: movvs r0, #1
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; EABI-SOFT-NEXT: pop {r11, lr}
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; EABI-SOFT-NEXT: mov pc, lr
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;
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; APCS-LABEL: test:
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; APCS: @ %bb.0:
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; APCS-NEXT: push {lr}
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; APCS-NEXT: bl __gnu_h2f_ieee
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; APCS-NEXT: vmov s0, r0
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; APCS-NEXT: mov r0, #0
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; APCS-NEXT: vcmp.f32 s0, s0
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; APCS-NEXT: vmrs APSR_nzcv, fpscr
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; APCS-NEXT: movwvs r0, #1
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; APCS-NEXT: pop {lr}
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; APCS-NEXT: bx lr
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;
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; WATCHABI-HARD-LABEL: test:
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; WATCHABI-HARD: @ %bb.0:
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; WATCHABI-HARD-NEXT: vcvtb.f32.f16 s0, s0
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; WATCHABI-HARD-NEXT: mov r0, #0
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; WATCHABI-HARD-NEXT: vcmp.f32 s0, s0
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; WATCHABI-HARD-NEXT: vmrs APSR_nzcv, fpscr
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; WATCHABI-HARD-NEXT: movwvs r0, #1
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; WATCHABI-HARD-NEXT: bx lr
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;
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; WATCHABI-SOFT-LABEL: test:
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; WATCHABI-SOFT: @ %bb.0:
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; WATCHABI-SOFT-NEXT: vmov s0, r0
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; WATCHABI-SOFT-NEXT: mov r1, #0
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; WATCHABI-SOFT-NEXT: vcvtb.f32.f16 s0, s0
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; WATCHABI-SOFT-NEXT: vcmp.f32 s0, s0
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; WATCHABI-SOFT-NEXT: vmrs APSR_nzcv, fpscr
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; WATCHABI-SOFT-NEXT: movwvs r1, #1
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; WATCHABI-SOFT-NEXT: mov r0, r1
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; WATCHABI-SOFT-NEXT: bx lr
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%_0 = fcmp une half %self, %self
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ret i1 %_0
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}
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define float @f16_to_f32(ptr %p) #0 {
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; GNU-AAPCS-HARD-LABEL: f16_to_f32:
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; GNU-AAPCS-HARD: @ %bb.0:
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; GNU-AAPCS-HARD-NEXT: .save {r11, lr}
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; GNU-AAPCS-HARD-NEXT: push {r11, lr}
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; GNU-AAPCS-HARD-NEXT: ldrh r0, [r0]
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; GNU-AAPCS-HARD-NEXT: bl __gnu_h2f_ieee
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; GNU-AAPCS-HARD-NEXT: vmov s0, r0
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; GNU-AAPCS-HARD-NEXT: pop {r11, lr}
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; GNU-AAPCS-HARD-NEXT: mov pc, lr
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;
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; GNU-AAPCS-SOFT-LABEL: f16_to_f32:
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; GNU-AAPCS-SOFT: @ %bb.0:
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; GNU-AAPCS-SOFT-NEXT: ldrh r0, [r0]
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; GNU-AAPCS-SOFT-NEXT: b __gnu_h2f_ieee
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;
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; EABI-HARD-LABEL: f16_to_f32:
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; EABI-HARD: @ %bb.0:
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; EABI-HARD-NEXT: .save {r11, lr}
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; EABI-HARD-NEXT: push {r11, lr}
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; EABI-HARD-NEXT: ldrh r0, [r0]
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; EABI-HARD-NEXT: bl __aeabi_h2f
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; EABI-HARD-NEXT: vmov s0, r0
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; EABI-HARD-NEXT: pop {r11, lr}
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; EABI-HARD-NEXT: mov pc, lr
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;
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; EABI-SOFT-LABEL: f16_to_f32:
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; EABI-SOFT: @ %bb.0:
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; EABI-SOFT-NEXT: ldrh r0, [r0]
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; EABI-SOFT-NEXT: b __aeabi_h2f
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;
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; APCS-LABEL: f16_to_f32:
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; APCS: @ %bb.0:
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; APCS-NEXT: ldrh r0, [r0]
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; APCS-NEXT: b __gnu_h2f_ieee
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;
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; WATCHABI-HARD-LABEL: f16_to_f32:
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; WATCHABI-HARD: @ %bb.0:
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; WATCHABI-HARD-NEXT: ldrh r0, [r0]
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; WATCHABI-HARD-NEXT: vmov s0, r0
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; WATCHABI-HARD-NEXT: vcvtb.f32.f16 s0, s0
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; WATCHABI-HARD-NEXT: bx lr
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;
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; WATCHABI-SOFT-LABEL: f16_to_f32:
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; WATCHABI-SOFT: @ %bb.0:
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; WATCHABI-SOFT-NEXT: ldrh r0, [r0]
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; WATCHABI-SOFT-NEXT: vmov s0, r0
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; WATCHABI-SOFT-NEXT: vcvtb.f32.f16 s0, s0
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; WATCHABI-SOFT-NEXT: vmov r0, s0
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; WATCHABI-SOFT-NEXT: bx lr
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%load = load half, ptr %p
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%cvt = fpext half %load to float
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ret float %cvt
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}
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define void @f32_to_f16(ptr %p, float %arg) #0 {
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; GNU-AAPCS-HARD-LABEL: f32_to_f16:
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; GNU-AAPCS-HARD: @ %bb.0:
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; GNU-AAPCS-HARD-NEXT: .save {r4, lr}
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; GNU-AAPCS-HARD-NEXT: push {r4, lr}
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; GNU-AAPCS-HARD-NEXT: mov r4, r0
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; GNU-AAPCS-HARD-NEXT: vmov r0, s0
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; GNU-AAPCS-HARD-NEXT: bl __gnu_f2h_ieee
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; GNU-AAPCS-HARD-NEXT: strh r0, [r4]
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; GNU-AAPCS-HARD-NEXT: pop {r4, lr}
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; GNU-AAPCS-HARD-NEXT: mov pc, lr
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;
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; GNU-AAPCS-SOFT-LABEL: f32_to_f16:
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; GNU-AAPCS-SOFT: @ %bb.0:
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; GNU-AAPCS-SOFT-NEXT: .save {r4, lr}
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; GNU-AAPCS-SOFT-NEXT: push {r4, lr}
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; GNU-AAPCS-SOFT-NEXT: mov r4, r0
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; GNU-AAPCS-SOFT-NEXT: mov r0, r1
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; GNU-AAPCS-SOFT-NEXT: bl __gnu_f2h_ieee
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; GNU-AAPCS-SOFT-NEXT: strh r0, [r4]
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; GNU-AAPCS-SOFT-NEXT: pop {r4, lr}
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; GNU-AAPCS-SOFT-NEXT: mov pc, lr
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;
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; EABI-HARD-LABEL: f32_to_f16:
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; EABI-HARD: @ %bb.0:
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; EABI-HARD-NEXT: .save {r4, lr}
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; EABI-HARD-NEXT: push {r4, lr}
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; EABI-HARD-NEXT: mov r4, r0
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; EABI-HARD-NEXT: vmov r0, s0
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; EABI-HARD-NEXT: bl __aeabi_f2h
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; EABI-HARD-NEXT: strh r0, [r4]
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; EABI-HARD-NEXT: pop {r4, lr}
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; EABI-HARD-NEXT: mov pc, lr
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;
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; EABI-SOFT-LABEL: f32_to_f16:
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; EABI-SOFT: @ %bb.0:
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; EABI-SOFT-NEXT: .save {r4, lr}
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; EABI-SOFT-NEXT: push {r4, lr}
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; EABI-SOFT-NEXT: mov r4, r0
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; EABI-SOFT-NEXT: mov r0, r1
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; EABI-SOFT-NEXT: bl __aeabi_f2h
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; EABI-SOFT-NEXT: strh r0, [r4]
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; EABI-SOFT-NEXT: pop {r4, lr}
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; EABI-SOFT-NEXT: mov pc, lr
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;
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; APCS-LABEL: f32_to_f16:
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; APCS: @ %bb.0:
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; APCS-NEXT: push {r4, lr}
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; APCS-NEXT: mov r4, r0
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; APCS-NEXT: mov r0, r1
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; APCS-NEXT: bl __gnu_f2h_ieee
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; APCS-NEXT: strh r0, [r4]
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; APCS-NEXT: pop {r4, pc}
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;
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; WATCHABI-HARD-LABEL: f32_to_f16:
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; WATCHABI-HARD: @ %bb.0:
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; WATCHABI-HARD-NEXT: vcvtb.f16.f32 s0, s0
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; WATCHABI-HARD-NEXT: vmov r1, s0
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; WATCHABI-HARD-NEXT: strh r1, [r0]
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; WATCHABI-HARD-NEXT: bx lr
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;
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; WATCHABI-SOFT-LABEL: f32_to_f16:
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; WATCHABI-SOFT: @ %bb.0:
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; WATCHABI-SOFT-NEXT: vmov s0, r1
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; WATCHABI-SOFT-NEXT: vcvtb.f16.f32 s0, s0
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; WATCHABI-SOFT-NEXT: vmov r1, s0
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; WATCHABI-SOFT-NEXT: strh r1, [r0]
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; WATCHABI-SOFT-NEXT: bx lr
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%cvt = fptrunc float %arg to half
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store half %cvt, ptr %p
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ret void
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}
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define double @f16_to_f64(ptr %p) #0 {
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; GNU-AAPCS-HARD-LABEL: f16_to_f64:
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; GNU-AAPCS-HARD: @ %bb.0:
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; GNU-AAPCS-HARD-NEXT: .save {r11, lr}
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; GNU-AAPCS-HARD-NEXT: push {r11, lr}
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; GNU-AAPCS-HARD-NEXT: ldrh r0, [r0]
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; GNU-AAPCS-HARD-NEXT: bl __gnu_h2f_ieee
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; GNU-AAPCS-HARD-NEXT: vmov s0, r0
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; GNU-AAPCS-HARD-NEXT: vcvt.f64.f32 d0, s0
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; GNU-AAPCS-HARD-NEXT: pop {r11, lr}
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; GNU-AAPCS-HARD-NEXT: mov pc, lr
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;
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; GNU-AAPCS-SOFT-LABEL: f16_to_f64:
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; GNU-AAPCS-SOFT: @ %bb.0:
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; GNU-AAPCS-SOFT-NEXT: .save {r11, lr}
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; GNU-AAPCS-SOFT-NEXT: push {r11, lr}
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; GNU-AAPCS-SOFT-NEXT: ldrh r0, [r0]
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; GNU-AAPCS-SOFT-NEXT: bl __gnu_h2f_ieee
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; GNU-AAPCS-SOFT-NEXT: vmov s0, r0
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; GNU-AAPCS-SOFT-NEXT: vcvt.f64.f32 d0, s0
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; GNU-AAPCS-SOFT-NEXT: vmov r0, r1, d0
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; GNU-AAPCS-SOFT-NEXT: pop {r11, lr}
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; GNU-AAPCS-SOFT-NEXT: mov pc, lr
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;
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; EABI-HARD-LABEL: f16_to_f64:
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; EABI-HARD: @ %bb.0:
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; EABI-HARD-NEXT: .save {r11, lr}
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; EABI-HARD-NEXT: push {r11, lr}
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; EABI-HARD-NEXT: ldrh r0, [r0]
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; EABI-HARD-NEXT: bl __aeabi_h2f
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; EABI-HARD-NEXT: vmov s0, r0
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; EABI-HARD-NEXT: vcvt.f64.f32 d0, s0
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; EABI-HARD-NEXT: pop {r11, lr}
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; EABI-HARD-NEXT: mov pc, lr
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;
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; EABI-SOFT-LABEL: f16_to_f64:
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; EABI-SOFT: @ %bb.0:
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; EABI-SOFT-NEXT: .save {r11, lr}
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; EABI-SOFT-NEXT: push {r11, lr}
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; EABI-SOFT-NEXT: ldrh r0, [r0]
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; EABI-SOFT-NEXT: bl __aeabi_h2f
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; EABI-SOFT-NEXT: vmov s0, r0
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; EABI-SOFT-NEXT: vcvt.f64.f32 d0, s0
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; EABI-SOFT-NEXT: vmov r0, r1, d0
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; EABI-SOFT-NEXT: pop {r11, lr}
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; EABI-SOFT-NEXT: mov pc, lr
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;
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; APCS-LABEL: f16_to_f64:
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; APCS: @ %bb.0:
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; APCS-NEXT: push {lr}
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; APCS-NEXT: ldrh r0, [r0]
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; APCS-NEXT: bl __gnu_h2f_ieee
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; APCS-NEXT: vmov s0, r0
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; APCS-NEXT: vcvt.f64.f32 d16, s0
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; APCS-NEXT: vmov r0, r1, d16
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; APCS-NEXT: pop {lr}
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; APCS-NEXT: bx lr
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;
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; WATCHABI-HARD-LABEL: f16_to_f64:
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; WATCHABI-HARD: @ %bb.0:
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; WATCHABI-HARD-NEXT: ldrh r0, [r0]
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; WATCHABI-HARD-NEXT: vmov s0, r0
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; WATCHABI-HARD-NEXT: vcvtb.f32.f16 s0, s0
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; WATCHABI-HARD-NEXT: vcvt.f64.f32 d0, s0
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; WATCHABI-HARD-NEXT: bx lr
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;
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; WATCHABI-SOFT-LABEL: f16_to_f64:
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|
; WATCHABI-SOFT: @ %bb.0:
|
|
; WATCHABI-SOFT-NEXT: ldrh r0, [r0]
|
|
; WATCHABI-SOFT-NEXT: vmov s0, r0
|
|
; WATCHABI-SOFT-NEXT: vcvtb.f32.f16 s0, s0
|
|
; WATCHABI-SOFT-NEXT: vcvt.f64.f32 d16, s0
|
|
; WATCHABI-SOFT-NEXT: vmov r0, r1, d16
|
|
; WATCHABI-SOFT-NEXT: bx lr
|
|
%load = load half, ptr %p
|
|
%cvt = fpext half %load to double
|
|
ret double %cvt
|
|
}
|
|
|
|
define void @f64_to_f16(ptr %p, double %arg) #0 {
|
|
; AAPCS-HARD-LABEL: f64_to_f16:
|
|
; AAPCS-HARD: @ %bb.0:
|
|
; AAPCS-HARD-NEXT: .save {r4, lr}
|
|
; AAPCS-HARD-NEXT: push {r4, lr}
|
|
; AAPCS-HARD-NEXT: mov r4, r0
|
|
; AAPCS-HARD-NEXT: vmov r0, r1, d0
|
|
; AAPCS-HARD-NEXT: bl __aeabi_d2h
|
|
; AAPCS-HARD-NEXT: strh r0, [r4]
|
|
; AAPCS-HARD-NEXT: pop {r4, lr}
|
|
; AAPCS-HARD-NEXT: mov pc, lr
|
|
;
|
|
; AAPCS-SOFT-LABEL: f64_to_f16:
|
|
; AAPCS-SOFT: @ %bb.0:
|
|
; AAPCS-SOFT-NEXT: .save {r4, lr}
|
|
; AAPCS-SOFT-NEXT: push {r4, lr}
|
|
; AAPCS-SOFT-NEXT: mov r4, r0
|
|
; AAPCS-SOFT-NEXT: mov r1, r3
|
|
; AAPCS-SOFT-NEXT: mov r0, r2
|
|
; AAPCS-SOFT-NEXT: bl __aeabi_d2h
|
|
; AAPCS-SOFT-NEXT: strh r0, [r4]
|
|
; AAPCS-SOFT-NEXT: pop {r4, lr}
|
|
; AAPCS-SOFT-NEXT: mov pc, lr
|
|
;
|
|
; APCS-LABEL: f64_to_f16:
|
|
; APCS: @ %bb.0:
|
|
; APCS-NEXT: push {r4, lr}
|
|
; APCS-NEXT: mov r4, r0
|
|
; APCS-NEXT: mov r0, r1
|
|
; APCS-NEXT: mov r1, r2
|
|
; APCS-NEXT: bl __truncdfhf2
|
|
; APCS-NEXT: strh r0, [r4]
|
|
; APCS-NEXT: pop {r4, pc}
|
|
;
|
|
; WATCHABI-HARD-LABEL: f64_to_f16:
|
|
; WATCHABI-HARD: @ %bb.0:
|
|
; WATCHABI-HARD-NEXT: push {r4, lr}
|
|
; WATCHABI-HARD-NEXT: sub sp, sp, #8
|
|
; WATCHABI-HARD-NEXT: mov r4, r0
|
|
; WATCHABI-HARD-NEXT: bl ___truncdfhf2
|
|
; WATCHABI-HARD-NEXT: strh r0, [r4]
|
|
; WATCHABI-HARD-NEXT: add sp, sp, #8
|
|
; WATCHABI-HARD-NEXT: pop {r4, pc}
|
|
;
|
|
; WATCHABI-SOFT-LABEL: f64_to_f16:
|
|
; WATCHABI-SOFT: @ %bb.0:
|
|
; WATCHABI-SOFT-NEXT: push {r4, lr}
|
|
; WATCHABI-SOFT-NEXT: sub sp, sp, #8
|
|
; WATCHABI-SOFT-NEXT: mov r4, r0
|
|
; WATCHABI-SOFT-NEXT: mov r1, r3
|
|
; WATCHABI-SOFT-NEXT: mov r0, r2
|
|
; WATCHABI-SOFT-NEXT: bl ___truncdfhf2
|
|
; WATCHABI-SOFT-NEXT: strh r0, [r4]
|
|
; WATCHABI-SOFT-NEXT: add sp, sp, #8
|
|
; WATCHABI-SOFT-NEXT: pop {r4, pc}
|
|
%cvt = fptrunc double %arg to half
|
|
store half %cvt, ptr %p
|
|
ret void
|
|
}
|
|
|
|
attributes #0 = { nounwind }
|