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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AArch64/load-zext-bitcast.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

572 lines
15 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -mtriple=aarch64-linux-gnu -o - %s | FileCheck %s
; load zero-extended i32, bitcast to f64
define double @load_u64_from_u32(ptr %n){
; CHECK-LABEL: load_u64_from_u32:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr s0, [x0]
; CHECK-NEXT: ret
entry:
%0 = load i32, ptr %n, align 4
%conv = zext i32 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
; load zero-extended i16, bitcast to f64
define double @load_u64_from_u16(ptr %n){
; CHECK-LABEL: load_u64_from_u16:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr h0, [x0]
; CHECK-NEXT: ret
entry:
%0 = load i16, ptr %n, align 2
%conv = zext i16 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
; load zero-extended i8, bitcast to f64
define double @load_u64_from_u8(ptr %n){
; CHECK-LABEL: load_u64_from_u8:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0]
; CHECK-NEXT: ret
entry:
%0 = load i8, ptr %n, align 1
%conv = zext i8 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
; load zero-extended i16, bitcast to f32
define float @load_u32_from_u16(ptr %n){
; CHECK-LABEL: load_u32_from_u16:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr h0, [x0]
; CHECK-NEXT: ret
entry:
%0 = load i16, ptr %n, align 2
%conv = zext i16 %0 to i32
%1 = bitcast i32 %conv to float
ret float %1
}
; load zero-extended i8, bitcast to f32
define float @load_u32_from_u8(ptr %n){
; CHECK-LABEL: load_u32_from_u8:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0]
; CHECK-NEXT: ret
entry:
%0 = load i8, ptr %n, align 1
%conv = zext i8 %0 to i32
%1 = bitcast i32 %conv to float
ret float %1
}
; load zero-extended i8, bitcast to f16
define half @load_u16_from_u8(ptr %n){
; CHECK-LABEL: load_u16_from_u8:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0]
; CHECK-NEXT: // kill: def $h0 killed $h0 killed $q0
; CHECK-NEXT: ret
entry:
%0 = load i8, ptr %n, align 1
%conv = zext i8 %0 to i16
%1 = bitcast i16 %conv to half
ret half %1
}
define double @load_u64_from_u32_off1(ptr %n){
; CHECK-LABEL: load_u64_from_u32_off1:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldur s0, [x0, #1]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 1
%0 = load i32, ptr %p, align 4
%conv = zext i32 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
define double @load_u64_from_u16_off1(ptr %n){
; CHECK-LABEL: load_u64_from_u16_off1:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldur h0, [x0, #1]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 1
%0 = load i16, ptr %p, align 2
%conv = zext i16 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
define double @load_u64_from_u8_off1(ptr %n){
; CHECK-LABEL: load_u64_from_u8_off1:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0, #1]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 1
%0 = load i8, ptr %p, align 1
%conv = zext i8 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
define float @load_u32_from_u16_off1(ptr %n){
; CHECK-LABEL: load_u32_from_u16_off1:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldur h0, [x0, #1]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 1
%0 = load i16, ptr %p, align 2
%conv = zext i16 %0 to i32
%1 = bitcast i32 %conv to float
ret float %1
}
define float @load_u32_from_u8_off1(ptr %n){
; CHECK-LABEL: load_u32_from_u8_off1:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0, #1]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 1
%0 = load i8, ptr %p, align 1
%conv = zext i8 %0 to i32
%1 = bitcast i32 %conv to float
ret float %1
}
define half @load_u16_from_u8_off1(ptr %n){
; CHECK-LABEL: load_u16_from_u8_off1:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0, #1]
; CHECK-NEXT: // kill: def $h0 killed $h0 killed $q0
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 1
%0 = load i8, ptr %p, align 1
%conv = zext i8 %0 to i16
%1 = bitcast i16 %conv to half
ret half %1
}
define double @load_u64_from_u32_off2(ptr %n){
; CHECK-LABEL: load_u64_from_u32_off2:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldur s0, [x0, #2]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 2
%0 = load i32, ptr %p, align 4
%conv = zext i32 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
define double @load_u64_from_u16_off2(ptr %n){
; CHECK-LABEL: load_u64_from_u16_off2:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr h0, [x0, #2]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 2
%0 = load i16, ptr %p, align 2
%conv = zext i16 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
define double @load_u64_from_u8_off2(ptr %n){
; CHECK-LABEL: load_u64_from_u8_off2:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0, #2]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 2
%0 = load i8, ptr %p, align 1
%conv = zext i8 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
define float @load_u32_from_u16_off2(ptr %n){
; CHECK-LABEL: load_u32_from_u16_off2:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr h0, [x0, #2]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 2
%0 = load i16, ptr %p, align 2
%conv = zext i16 %0 to i32
%1 = bitcast i32 %conv to float
ret float %1
}
define float @load_u32_from_u8_off2(ptr %n){
; CHECK-LABEL: load_u32_from_u8_off2:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0, #2]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 2
%0 = load i8, ptr %p, align 1
%conv = zext i8 %0 to i32
%1 = bitcast i32 %conv to float
ret float %1
}
define half @load_u16_from_u8_off2(ptr %n){
; CHECK-LABEL: load_u16_from_u8_off2:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0, #2]
; CHECK-NEXT: // kill: def $h0 killed $h0 killed $q0
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 2
%0 = load i8, ptr %p, align 1
%conv = zext i8 %0 to i16
%1 = bitcast i16 %conv to half
ret half %1
}
define double @load_u64_from_u32_off255(ptr %n){
; CHECK-LABEL: load_u64_from_u32_off255:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldur s0, [x0, #255]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 255
%0 = load i32, ptr %p, align 4
%conv = zext i32 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
define double @load_u64_from_u16_off255(ptr %n){
; CHECK-LABEL: load_u64_from_u16_off255:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldur h0, [x0, #255]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 255
%0 = load i16, ptr %p, align 2
%conv = zext i16 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
define double @load_u64_from_u8_off255(ptr %n){
; CHECK-LABEL: load_u64_from_u8_off255:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0, #255]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 255
%0 = load i8, ptr %p, align 1
%conv = zext i8 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
define float @load_u32_from_u16_off255(ptr %n){
; CHECK-LABEL: load_u32_from_u16_off255:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldur h0, [x0, #255]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 255
%0 = load i16, ptr %p, align 2
%conv = zext i16 %0 to i32
%1 = bitcast i32 %conv to float
ret float %1
}
define float @load_u32_from_u8_off255(ptr %n){
; CHECK-LABEL: load_u32_from_u8_off255:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0, #255]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 255
%0 = load i8, ptr %p, align 1
%conv = zext i8 %0 to i32
%1 = bitcast i32 %conv to float
ret float %1
}
define half @load_u16_from_u8_off255(ptr %n){
; CHECK-LABEL: load_u16_from_u8_off255:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0, #255]
; CHECK-NEXT: // kill: def $h0 killed $h0 killed $q0
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 255
%0 = load i8, ptr %p, align 1
%conv = zext i8 %0 to i16
%1 = bitcast i16 %conv to half
ret half %1
}
define double @load_u64_from_u32_off256(ptr %n){
; CHECK-LABEL: load_u64_from_u32_off256:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr s0, [x0, #256]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 256
%0 = load i32, ptr %p, align 4
%conv = zext i32 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
define double @load_u64_from_u16_off256(ptr %n){
; CHECK-LABEL: load_u64_from_u16_off256:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr h0, [x0, #256]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 256
%0 = load i16, ptr %p, align 2
%conv = zext i16 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
define double @load_u64_from_u8_off256(ptr %n){
; CHECK-LABEL: load_u64_from_u8_off256:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0, #256]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 256
%0 = load i8, ptr %p, align 1
%conv = zext i8 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
define float @load_u32_from_u16_off256(ptr %n){
; CHECK-LABEL: load_u32_from_u16_off256:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr h0, [x0, #256]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 256
%0 = load i16, ptr %p, align 2
%conv = zext i16 %0 to i32
%1 = bitcast i32 %conv to float
ret float %1
}
define float @load_u32_from_u8_off256(ptr %n){
; CHECK-LABEL: load_u32_from_u8_off256:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0, #256]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 256
%0 = load i8, ptr %p, align 1
%conv = zext i8 %0 to i32
%1 = bitcast i32 %conv to float
ret float %1
}
define half @load_u16_from_u8_off256(ptr %n){
; CHECK-LABEL: load_u16_from_u8_off256:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0, #256]
; CHECK-NEXT: // kill: def $h0 killed $h0 killed $q0
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 256
%0 = load i8, ptr %p, align 1
%conv = zext i8 %0 to i16
%1 = bitcast i16 %conv to half
ret half %1
}
define double @load_u64_from_u32_offn(ptr %n){
; CHECK-LABEL: load_u64_from_u32_offn:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr s0, [x0, #16380]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 16380
%0 = load i32, ptr %p, align 4
%conv = zext i32 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
define double @load_u64_from_u16_offn(ptr %n){
; CHECK-LABEL: load_u64_from_u16_offn:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr h0, [x0, #8190]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 8190
%0 = load i16, ptr %p, align 2
%conv = zext i16 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
define double @load_u64_from_u8_offn(ptr %n){
; CHECK-LABEL: load_u64_from_u8_offn:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0, #4095]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 4095
%0 = load i8, ptr %p, align 1
%conv = zext i8 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
define float @load_u32_from_u16_offn(ptr %n){
; CHECK-LABEL: load_u32_from_u16_offn:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr h0, [x0, #8190]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 8190
%0 = load i16, ptr %p, align 2
%conv = zext i16 %0 to i32
%1 = bitcast i32 %conv to float
ret float %1
}
define float @load_u32_from_u8_offn(ptr %n){
; CHECK-LABEL: load_u32_from_u8_offn:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0, #4095]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 4095
%0 = load i8, ptr %p, align 1
%conv = zext i8 %0 to i32
%1 = bitcast i32 %conv to float
ret float %1
}
define half @load_u16_from_u8_offn(ptr %n){
; CHECK-LABEL: load_u16_from_u8_offn:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0, #4095]
; CHECK-NEXT: // kill: def $h0 killed $h0 killed $q0
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 4095
%0 = load i8, ptr %p, align 1
%conv = zext i8 %0 to i16
%1 = bitcast i16 %conv to half
ret half %1
}
define double @load_u64_from_u32_offnp1(ptr %n){
; CHECK-LABEL: load_u64_from_u32_offnp1:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: mov w8, #16384 // =0x4000
; CHECK-NEXT: ldr s0, [x0, x8]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 16384
%0 = load i32, ptr %p, align 4
%conv = zext i32 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
define double @load_u64_from_u16_offnp1(ptr %n){
; CHECK-LABEL: load_u64_from_u16_offnp1:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: mov w8, #8192 // =0x2000
; CHECK-NEXT: ldr h0, [x0, x8]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 8192
%0 = load i16, ptr %p, align 2
%conv = zext i16 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
define double @load_u64_from_u8_offnp1(ptr %n){
; CHECK-LABEL: load_u64_from_u8_offnp1:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: mov w8, #4096 // =0x1000
; CHECK-NEXT: ldr b0, [x0, x8]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 4096
%0 = load i8, ptr %p, align 1
%conv = zext i8 %0 to i64
%1 = bitcast i64 %conv to double
ret double %1
}
define float @load_u32_from_u16_offnp1(ptr %n){
; CHECK-LABEL: load_u32_from_u16_offnp1:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: mov w8, #8192 // =0x2000
; CHECK-NEXT: ldr h0, [x0, x8]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 8192
%0 = load i16, ptr %p, align 2
%conv = zext i16 %0 to i32
%1 = bitcast i32 %conv to float
ret float %1
}
define float @load_u32_from_u8_offnp1(ptr %n){
; CHECK-LABEL: load_u32_from_u8_offnp1:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: mov w8, #4096 // =0x1000
; CHECK-NEXT: ldr b0, [x0, x8]
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 4096
%0 = load i8, ptr %p, align 1
%conv = zext i8 %0 to i32
%1 = bitcast i32 %conv to float
ret float %1
}
define half @load_u16_from_u8_offnp1(ptr %n){
; CHECK-LABEL: load_u16_from_u8_offnp1:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: mov w8, #4096 // =0x1000
; CHECK-NEXT: ldr b0, [x0, x8]
; CHECK-NEXT: // kill: def $h0 killed $h0 killed $q0
; CHECK-NEXT: ret
entry:
%p = getelementptr i8, ptr %n, i64 4096
%0 = load i8, ptr %p, align 1
%conv = zext i8 %0 to i16
%1 = bitcast i16 %conv to half
ret half %1
}