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TheRock/compiler/amd-llvm/llvm/test/CodeGen/Mips/cvt-mfc1-slti.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

38 lines
1.3 KiB
LLVM

; RUN: llc -mtriple=mipsel-unknown-linux-gnu -mcpu=mips32 -verify-machineinstrs < %s | FileCheck %s -check-prefix=MIPS32
; RUN: llc -mtriple=mipsel-unknown-linux-gnu -mcpu=mips32r2 -verify-machineinstrs < %s | FileCheck %s -check-prefix=MIPS32R2
; RUN: llc -mtriple=mipsel-unknown-linux-gnu -mcpu=mips32r6 -verify-machineinstrs < %s | FileCheck %s -check-prefix=MIPS32R6
define i32 @test_sign_bit(double %a) nounwind {
; MIPS32-LABEL: test_sign_bit:
; MIPS32: # %bb.0: # %entry
; MIPS32-NEXT: cvt.s.d $f0, $f12
; MIPS32-NEXT: mfc1 $1, $f0
; MIPS32-NEXT: slti $1, $1, 0
; MIPS32-NEXT: addiu $2, $zero, -4
; MIPS32-NEXT: jr $ra
; MIPS32-NEXT: or $2, $1, $2
; MIPS32R2-LABEL: test_sign_bit:
; MIPS32R2: # %bb.0: # %entry
; MIPS32R2-NEXT: mfhc1 $1, $f12
; MIPS32R2-NEXT: slti $1, $1, 0
; MIPS32R2-NEXT: addiu $2, $zero, -4
; MIPS32R2-NEXT: jr $ra
; MIPS32R2-NEXT: or $2, $1, $2
; MIPS32R6-LABEL: test_sign_bit:
; MIPS32R6: # %bb.0: # %entry
; MIPS32R6-NEXT: mfhc1 $1, $f12
; MIPS32R6-NEXT: slti $1, $1, 0
; MIPS32R6-NEXT: addiu $2, $zero, -4
; MIPS32R6-NEXT: jr $ra
; MIPS32R6-NEXT: or $2, $1, $2
entry:
%conv = fptrunc double %a to float
%i_val = bitcast float %conv to i32
%1 = icmp slt i32 %i_val, 0
%2 = select i1 %1, i32 -3, i32 -4
ret i32 %2
}