[llvm] [X86] ftrunc.ll - add nounwind to silence cfi noise (PR #161186)
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Mon Sep 29 05:11:34 PDT 2025
https://github.com/RKSimon created https://github.com/llvm/llvm-project/pull/161186
None
>From cb8863a69375a292324371ef130e467c96f3d812 Mon Sep 17 00:00:00 2001
From: Simon Pilgrim <llvm-dev at redking.me.uk>
Date: Mon, 29 Sep 2025 13:11:04 +0100
Subject: [PATCH] [X86] ftrunc.ll - add nounwind to silence cfi noise
---
llvm/test/CodeGen/X86/ftrunc.ll | 26 +++++---------------------
1 file changed, 5 insertions(+), 21 deletions(-)
diff --git a/llvm/test/CodeGen/X86/ftrunc.ll b/llvm/test/CodeGen/X86/ftrunc.ll
index 3ed98589767fb..9095fb1550e70 100644
--- a/llvm/test/CodeGen/X86/ftrunc.ll
+++ b/llvm/test/CodeGen/X86/ftrunc.ll
@@ -243,7 +243,7 @@ define <4 x double> @trunc_unsigned_v4f64(<4 x double> %x) #0 {
ret <4 x double> %r
}
-define float @trunc_signed_f32_no_fast_math(float %x) {
+define float @trunc_signed_f32_no_fast_math(float %x) nounwind {
; SSE-LABEL: trunc_signed_f32_no_fast_math:
; SSE: # %bb.0:
; SSE-NEXT: cvttps2dq %xmm0, %xmm0
@@ -259,14 +259,12 @@ define float @trunc_signed_f32_no_fast_math(float %x) {
; X86-AVX1-LABEL: trunc_signed_f32_no_fast_math:
; X86-AVX1: # %bb.0:
; X86-AVX1-NEXT: pushl %eax
-; X86-AVX1-NEXT: .cfi_def_cfa_offset 8
; X86-AVX1-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X86-AVX1-NEXT: vcvttps2dq %xmm0, %xmm0
; X86-AVX1-NEXT: vcvtdq2ps %xmm0, %xmm0
; X86-AVX1-NEXT: vmovss %xmm0, (%esp)
; X86-AVX1-NEXT: flds (%esp)
; X86-AVX1-NEXT: popl %eax
-; X86-AVX1-NEXT: .cfi_def_cfa_offset 4
; X86-AVX1-NEXT: retl
%i = fptosi float %x to i32
%r = sitofp i32 %i to float
@@ -306,7 +304,7 @@ define float @trunc_signed_f32_nsz(float %x) #0 {
ret float %r
}
-define double @trunc_signed32_f64_no_fast_math(double %x) {
+define double @trunc_signed32_f64_no_fast_math(double %x) nounwind {
; SSE-LABEL: trunc_signed32_f64_no_fast_math:
; SSE: # %bb.0:
; SSE-NEXT: cvttpd2dq %xmm0, %xmm0
@@ -322,10 +320,7 @@ define double @trunc_signed32_f64_no_fast_math(double %x) {
; X86-AVX1-LABEL: trunc_signed32_f64_no_fast_math:
; X86-AVX1: # %bb.0:
; X86-AVX1-NEXT: pushl %ebp
-; X86-AVX1-NEXT: .cfi_def_cfa_offset 8
-; X86-AVX1-NEXT: .cfi_offset %ebp, -8
; X86-AVX1-NEXT: movl %esp, %ebp
-; X86-AVX1-NEXT: .cfi_def_cfa_register %ebp
; X86-AVX1-NEXT: andl $-8, %esp
; X86-AVX1-NEXT: subl $8, %esp
; X86-AVX1-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
@@ -335,7 +330,6 @@ define double @trunc_signed32_f64_no_fast_math(double %x) {
; X86-AVX1-NEXT: fldl (%esp)
; X86-AVX1-NEXT: movl %ebp, %esp
; X86-AVX1-NEXT: popl %ebp
-; X86-AVX1-NEXT: .cfi_def_cfa %esp, 4
; X86-AVX1-NEXT: retl
%i = fptosi double %x to i32
%r = sitofp i32 %i to double
@@ -377,7 +371,7 @@ define double @trunc_signed32_f64_nsz(double %x) #0 {
ret double %r
}
-define double @trunc_f32_signed32_f64_no_fast_math(float %x) {
+define double @trunc_f32_signed32_f64_no_fast_math(float %x) nounwind {
; SSE-LABEL: trunc_f32_signed32_f64_no_fast_math:
; SSE: # %bb.0:
; SSE-NEXT: cvttps2dq %xmm0, %xmm0
@@ -393,10 +387,7 @@ define double @trunc_f32_signed32_f64_no_fast_math(float %x) {
; X86-AVX1-LABEL: trunc_f32_signed32_f64_no_fast_math:
; X86-AVX1: # %bb.0:
; X86-AVX1-NEXT: pushl %ebp
-; X86-AVX1-NEXT: .cfi_def_cfa_offset 8
-; X86-AVX1-NEXT: .cfi_offset %ebp, -8
; X86-AVX1-NEXT: movl %esp, %ebp
-; X86-AVX1-NEXT: .cfi_def_cfa_register %ebp
; X86-AVX1-NEXT: andl $-8, %esp
; X86-AVX1-NEXT: subl $8, %esp
; X86-AVX1-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
@@ -406,7 +397,6 @@ define double @trunc_f32_signed32_f64_no_fast_math(float %x) {
; X86-AVX1-NEXT: fldl (%esp)
; X86-AVX1-NEXT: movl %ebp, %esp
; X86-AVX1-NEXT: popl %ebp
-; X86-AVX1-NEXT: .cfi_def_cfa %esp, 4
; X86-AVX1-NEXT: retl
%i = fptosi float %x to i32
%r = sitofp i32 %i to double
@@ -445,7 +435,7 @@ define double @trunc_f32_signed32_f64_nsz(float %x) #0 {
ret double %r
}
-define float @trunc_f64_signed32_f32_no_fast_math(double %x) {
+define float @trunc_f64_signed32_f32_no_fast_math(double %x) nounwind {
; SSE-LABEL: trunc_f64_signed32_f32_no_fast_math:
; SSE: # %bb.0:
; SSE-NEXT: cvttpd2dq %xmm0, %xmm0
@@ -461,14 +451,12 @@ define float @trunc_f64_signed32_f32_no_fast_math(double %x) {
; X86-AVX1-LABEL: trunc_f64_signed32_f32_no_fast_math:
; X86-AVX1: # %bb.0:
; X86-AVX1-NEXT: pushl %eax
-; X86-AVX1-NEXT: .cfi_def_cfa_offset 8
; X86-AVX1-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
; X86-AVX1-NEXT: vcvttpd2dq %xmm0, %xmm0
; X86-AVX1-NEXT: vcvtdq2ps %xmm0, %xmm0
; X86-AVX1-NEXT: vmovss %xmm0, (%esp)
; X86-AVX1-NEXT: flds (%esp)
; X86-AVX1-NEXT: popl %eax
-; X86-AVX1-NEXT: .cfi_def_cfa_offset 4
; X86-AVX1-NEXT: retl
%i = fptosi double %x to i32
%r = sitofp i32 %i to float
@@ -503,7 +491,7 @@ define float @trunc_f64_signed32_f32_nsz(double %x) #0 {
ret float %r
}
-define double @trunc_signed_f64_no_fast_math(double %x) {
+define double @trunc_signed_f64_no_fast_math(double %x) nounwind {
; SSE-LABEL: trunc_signed_f64_no_fast_math:
; SSE: # %bb.0:
; SSE-NEXT: cvttsd2si %xmm0, %rax
@@ -520,10 +508,7 @@ define double @trunc_signed_f64_no_fast_math(double %x) {
; X86-AVX1-LABEL: trunc_signed_f64_no_fast_math:
; X86-AVX1: # %bb.0:
; X86-AVX1-NEXT: pushl %ebp
-; X86-AVX1-NEXT: .cfi_def_cfa_offset 8
-; X86-AVX1-NEXT: .cfi_offset %ebp, -8
; X86-AVX1-NEXT: movl %esp, %ebp
-; X86-AVX1-NEXT: .cfi_def_cfa_register %ebp
; X86-AVX1-NEXT: andl $-8, %esp
; X86-AVX1-NEXT: subl $24, %esp
; X86-AVX1-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
@@ -537,7 +522,6 @@ define double @trunc_signed_f64_no_fast_math(double %x) {
; X86-AVX1-NEXT: fldl {{[0-9]+}}(%esp)
; X86-AVX1-NEXT: movl %ebp, %esp
; X86-AVX1-NEXT: popl %ebp
-; X86-AVX1-NEXT: .cfi_def_cfa %esp, 4
; X86-AVX1-NEXT: retl
%i = fptosi double %x to i64
%r = sitofp i64 %i to double
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