138 lines
3.4 KiB
LLVM
138 lines
3.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=x86_64-- -mcpu=x86-64 < %s | FileCheck %s
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define i32 @u8_f32_s32(i8 %a) {
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; CHECK-LABEL: u8_f32_s32:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movzbl %dil, %eax
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; CHECK-NEXT: retq
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%conv = uitofp i8 %a to float
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%conv1 = fptosi float %conv to i32
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ret i32 %conv1
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}
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define i32 @s8_f32_s32(i8 %a) {
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; CHECK-LABEL: s8_f32_s32:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movsbl %dil, %eax
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; CHECK-NEXT: retq
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%conv = sitofp i8 %a to float
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%conv1 = fptosi float %conv to i32
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ret i32 %conv1
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}
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define zeroext i8 @u8_f32_u8(i8 zeroext %a) {
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; CHECK-LABEL: u8_f32_u8:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: # kill: def $al killed $al killed $eax
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; CHECK-NEXT: retq
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%conv = uitofp i8 %a to float
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%conv1 = fptoui float %conv to i8
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ret i8 %conv1
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}
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define i32 @s32_f32_s24_s32(i32 %a) {
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; CHECK-LABEL: s32_f32_s24_s32:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: shll $8, %eax
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; CHECK-NEXT: sarl $8, %eax
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; CHECK-NEXT: retq
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%f = sitofp i32 %a to float
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%i = fptosi float %f to i24
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%r = sext i24 %i to i32
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ret i32 %r
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}
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define i32 @s32_f32_u24_u32(i32 %a) {
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; CHECK-LABEL: s32_f32_u24_u32:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: andl $16777215, %eax # imm = 0xFFFFFF
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; CHECK-NEXT: retq
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%f = sitofp i32 %a to float
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%i = fptoui float %f to i24
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%r = zext i24 %i to i32
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ret i32 %r
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}
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define i32 @u32_f32_s24_s32(i32 %a) {
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; CHECK-LABEL: u32_f32_s24_s32:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: shll $8, %eax
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; CHECK-NEXT: sarl $8, %eax
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; CHECK-NEXT: retq
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%f = uitofp i32 %a to float
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%i = fptosi float %f to i24
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%r = sext i24 %i to i32
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ret i32 %r
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}
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define i32 @u32_f32_u24_u32(i32 %a) {
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; CHECK-LABEL: u32_f32_u24_u32:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: andl $16777215, %eax # imm = 0xFFFFFF
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; CHECK-NEXT: retq
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%f = uitofp i32 %a to float
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%i = fptoui float %f to i24
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%r = zext i24 %i to i32
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ret i32 %r
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}
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; This requires converting to FP and back.
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define i32 @s32_f32_s25_s32(i32 %a) {
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; CHECK-LABEL: s32_f32_s25_s32:
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; CHECK: # %bb.0:
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; CHECK-NEXT: cvtsi2ss %edi, %xmm0
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; CHECK-NEXT: cvttss2si %xmm0, %eax
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; CHECK-NEXT: retq
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%f = sitofp i32 %a to float
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%i = fptosi float %f to i25
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%r = sext i25 %i to i32
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ret i32 %r
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}
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define i32 @s32_f32_u25_u32(i32 %a) {
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; CHECK-LABEL: s32_f32_u25_u32:
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; CHECK: # %bb.0:
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; CHECK-NEXT: cvtsi2ss %edi, %xmm0
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; CHECK-NEXT: cvttss2si %xmm0, %eax
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; CHECK-NEXT: retq
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%f = sitofp i32 %a to float
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%i = fptoui float %f to i25
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%r = zext i25 %i to i32
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ret i32 %r
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}
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; TODO: This could avoid converting to FP.
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define i32 @u32_f32_s25_s32(i32 %a) {
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; CHECK-LABEL: u32_f32_s25_s32:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: cvtsi2ss %rax, %xmm0
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; CHECK-NEXT: cvttss2si %xmm0, %eax
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; CHECK-NEXT: retq
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%f = uitofp i32 %a to float
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%i = fptosi float %f to i25
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%r = sext i25 %i to i32
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ret i32 %r
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}
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define i32 @u32_f32_u25_u32(i32 %a) {
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; CHECK-LABEL: u32_f32_u25_u32:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: cvtsi2ss %rax, %xmm0
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; CHECK-NEXT: cvttss2si %xmm0, %eax
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; CHECK-NEXT: retq
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%f = uitofp i32 %a to float
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%i = fptoui float %f to i25
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%r = zext i25 %i to i32
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ret i32 %r
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}
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