262 lines
7.6 KiB
LLVM
262 lines
7.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i386-unknown-linux-gnu | FileCheck %s --check-prefix=I386
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; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s --check-prefix=X86-64
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@result = dso_local global i32 0, align 4
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define dso_local i32 @skip(i32 returned %x) local_unnamed_addr #0 "zero-call-used-regs"="skip" {
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; I386-LABEL: skip:
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; I386: # %bb.0: # %entry
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; I386-NEXT: movl {{[0-9]+}}(%esp), %eax
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; I386-NEXT: retl
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;
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; X86-64-LABEL: skip:
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; X86-64: # %bb.0: # %entry
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; X86-64-NEXT: movl %edi, %eax
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; X86-64-NEXT: retq
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entry:
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ret i32 %x
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}
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define dso_local i32 @used_gpr_arg(i32 returned %x) local_unnamed_addr #0 "zero-call-used-regs"="used-gpr-arg" {
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; I386-LABEL: used_gpr_arg:
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; I386: # %bb.0: # %entry
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; I386-NEXT: movl {{[0-9]+}}(%esp), %eax
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; I386-NEXT: retl
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;
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; X86-64-LABEL: used_gpr_arg:
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; X86-64: # %bb.0: # %entry
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; X86-64-NEXT: movl %edi, %eax
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; X86-64-NEXT: xorl %edi, %edi
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; X86-64-NEXT: retq
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entry:
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ret i32 %x
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}
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define dso_local i32 @used_gpr(i32 returned %x) local_unnamed_addr #0 "zero-call-used-regs"="used-gpr" {
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; I386-LABEL: used_gpr:
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; I386: # %bb.0: # %entry
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; I386-NEXT: movl {{[0-9]+}}(%esp), %eax
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; I386-NEXT: retl
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;
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; X86-64-LABEL: used_gpr:
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; X86-64: # %bb.0: # %entry
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; X86-64-NEXT: movl %edi, %eax
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; X86-64-NEXT: xorl %edi, %edi
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; X86-64-NEXT: retq
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entry:
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ret i32 %x
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}
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define dso_local i32 @used_arg(i32 returned %x) local_unnamed_addr #0 "zero-call-used-regs"="used-arg" {
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; I386-LABEL: used_arg:
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; I386: # %bb.0: # %entry
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; I386-NEXT: movl {{[0-9]+}}(%esp), %eax
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; I386-NEXT: retl
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;
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; X86-64-LABEL: used_arg:
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; X86-64: # %bb.0: # %entry
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; X86-64-NEXT: movl %edi, %eax
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; X86-64-NEXT: xorl %edi, %edi
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; X86-64-NEXT: retq
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entry:
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ret i32 %x
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}
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define dso_local i32 @used(i32 returned %x) local_unnamed_addr #0 "zero-call-used-regs"="used" {
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; I386-LABEL: used:
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; I386: # %bb.0: # %entry
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; I386-NEXT: movl {{[0-9]+}}(%esp), %eax
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; I386-NEXT: retl
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;
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; X86-64-LABEL: used:
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; X86-64: # %bb.0: # %entry
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; X86-64-NEXT: movl %edi, %eax
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; X86-64-NEXT: xorl %edi, %edi
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; X86-64-NEXT: retq
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entry:
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ret i32 %x
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}
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define dso_local i32 @all_gpr_arg(i32 returned %x) local_unnamed_addr #0 "zero-call-used-regs"="all-gpr-arg" {
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; I386-LABEL: all_gpr_arg:
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; I386: # %bb.0: # %entry
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; I386-NEXT: movl {{[0-9]+}}(%esp), %eax
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; I386-NEXT: xorl %ecx, %ecx
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; I386-NEXT: xorl %edx, %edx
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; I386-NEXT: retl
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;
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; X86-64-LABEL: all_gpr_arg:
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; X86-64: # %bb.0: # %entry
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; X86-64-NEXT: movl %edi, %eax
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; X86-64-NEXT: xorl %ecx, %ecx
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; X86-64-NEXT: xorl %edi, %edi
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; X86-64-NEXT: xorl %edx, %edx
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; X86-64-NEXT: xorl %esi, %esi
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; X86-64-NEXT: xorl %r8d, %r8d
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; X86-64-NEXT: xorl %r9d, %r9d
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; X86-64-NEXT: retq
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entry:
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ret i32 %x
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}
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define dso_local i32 @all_gpr(i32 returned %x) local_unnamed_addr #0 "zero-call-used-regs"="all-gpr" {
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; I386-LABEL: all_gpr:
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; I386: # %bb.0: # %entry
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; I386-NEXT: movl {{[0-9]+}}(%esp), %eax
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; I386-NEXT: xorl %ecx, %ecx
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; I386-NEXT: xorl %edx, %edx
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; I386-NEXT: retl
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;
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; X86-64-LABEL: all_gpr:
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; X86-64: # %bb.0: # %entry
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; X86-64-NEXT: movl %edi, %eax
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; X86-64-NEXT: xorl %ecx, %ecx
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; X86-64-NEXT: xorl %edi, %edi
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; X86-64-NEXT: xorl %edx, %edx
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; X86-64-NEXT: xorl %esi, %esi
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; X86-64-NEXT: xorl %r8d, %r8d
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; X86-64-NEXT: xorl %r9d, %r9d
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; X86-64-NEXT: xorl %r10d, %r10d
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; X86-64-NEXT: xorl %r11d, %r11d
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; X86-64-NEXT: retq
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entry:
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ret i32 %x
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}
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define dso_local i32 @all_arg(i32 returned %x) local_unnamed_addr #0 "zero-call-used-regs"="all-arg" {
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; I386-LABEL: all_arg:
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; I386: # %bb.0: # %entry
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; I386-NEXT: movl {{[0-9]+}}(%esp), %eax
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; I386-NEXT: xorl %ecx, %ecx
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; I386-NEXT: xorl %edx, %edx
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; I386-NEXT: retl
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;
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; X86-64-LABEL: all_arg:
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; X86-64: # %bb.0: # %entry
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; X86-64-NEXT: movl %edi, %eax
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; X86-64-NEXT: xorl %ecx, %ecx
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; X86-64-NEXT: xorl %edi, %edi
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; X86-64-NEXT: xorl %edx, %edx
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; X86-64-NEXT: xorl %esi, %esi
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; X86-64-NEXT: xorl %r8d, %r8d
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; X86-64-NEXT: xorl %r9d, %r9d
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; X86-64-NEXT: xorps %xmm0, %xmm0
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; X86-64-NEXT: xorps %xmm1, %xmm1
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; X86-64-NEXT: xorps %xmm2, %xmm2
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; X86-64-NEXT: xorps %xmm3, %xmm3
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; X86-64-NEXT: xorps %xmm4, %xmm4
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; X86-64-NEXT: xorps %xmm5, %xmm5
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; X86-64-NEXT: xorps %xmm6, %xmm6
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; X86-64-NEXT: xorps %xmm7, %xmm7
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; X86-64-NEXT: retq
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entry:
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ret i32 %x
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}
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define dso_local i32 @all(i32 returned %x) local_unnamed_addr #0 "zero-call-used-regs"="all" {
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; I386-LABEL: all:
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; I386: # %bb.0: # %entry
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; I386-NEXT: movl {{[0-9]+}}(%esp), %eax
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; I386-NEXT: fldz
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; I386-NEXT: fldz
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; I386-NEXT: fldz
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; I386-NEXT: fldz
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; I386-NEXT: fldz
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; I386-NEXT: fldz
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; I386-NEXT: fldz
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; I386-NEXT: fstp %st(0)
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; I386-NEXT: fstp %st(0)
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; I386-NEXT: fstp %st(0)
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; I386-NEXT: fstp %st(0)
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; I386-NEXT: fstp %st(0)
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; I386-NEXT: fstp %st(0)
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; I386-NEXT: fstp %st(0)
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; I386-NEXT: xorl %ecx, %ecx
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; I386-NEXT: xorl %edx, %edx
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; I386-NEXT: xorps %xmm0, %xmm0
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; I386-NEXT: xorps %xmm1, %xmm1
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; I386-NEXT: xorps %xmm2, %xmm2
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; I386-NEXT: xorps %xmm3, %xmm3
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; I386-NEXT: xorps %xmm4, %xmm4
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; I386-NEXT: xorps %xmm5, %xmm5
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; I386-NEXT: xorps %xmm6, %xmm6
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; I386-NEXT: xorps %xmm7, %xmm7
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; I386-NEXT: retl
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;
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; X86-64-LABEL: all:
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; X86-64: # %bb.0: # %entry
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; X86-64-NEXT: movl %edi, %eax
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; X86-64-NEXT: fldz
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; X86-64-NEXT: fldz
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; X86-64-NEXT: fldz
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; X86-64-NEXT: fldz
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; X86-64-NEXT: fldz
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; X86-64-NEXT: fldz
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; X86-64-NEXT: fldz
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; X86-64-NEXT: fldz
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; X86-64-NEXT: fstp %st(0)
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; X86-64-NEXT: fstp %st(0)
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; X86-64-NEXT: fstp %st(0)
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; X86-64-NEXT: fstp %st(0)
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; X86-64-NEXT: fstp %st(0)
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; X86-64-NEXT: fstp %st(0)
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; X86-64-NEXT: fstp %st(0)
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; X86-64-NEXT: fstp %st(0)
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; X86-64-NEXT: xorl %ecx, %ecx
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; X86-64-NEXT: xorl %edi, %edi
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; X86-64-NEXT: xorl %edx, %edx
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; X86-64-NEXT: xorl %esi, %esi
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; X86-64-NEXT: xorl %r8d, %r8d
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; X86-64-NEXT: xorl %r9d, %r9d
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; X86-64-NEXT: xorl %r10d, %r10d
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; X86-64-NEXT: xorl %r11d, %r11d
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; X86-64-NEXT: xorps %xmm0, %xmm0
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; X86-64-NEXT: xorps %xmm1, %xmm1
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; X86-64-NEXT: xorps %xmm2, %xmm2
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; X86-64-NEXT: xorps %xmm3, %xmm3
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; X86-64-NEXT: xorps %xmm4, %xmm4
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; X86-64-NEXT: xorps %xmm5, %xmm5
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; X86-64-NEXT: xorps %xmm6, %xmm6
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; X86-64-NEXT: xorps %xmm7, %xmm7
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; X86-64-NEXT: xorps %xmm8, %xmm8
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; X86-64-NEXT: xorps %xmm9, %xmm9
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; X86-64-NEXT: xorps %xmm10, %xmm10
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; X86-64-NEXT: xorps %xmm11, %xmm11
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; X86-64-NEXT: xorps %xmm12, %xmm12
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; X86-64-NEXT: xorps %xmm13, %xmm13
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; X86-64-NEXT: xorps %xmm14, %xmm14
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; X86-64-NEXT: xorps %xmm15, %xmm15
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; X86-64-NEXT: retq
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entry:
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ret i32 %x
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}
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; Don't emit zeroing registers in "main" function.
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define dso_local i32 @main() local_unnamed_addr #1 {
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; I386-LABEL: main:
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; I386: # %bb.0: # %entry
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; I386-NEXT: xorl %eax, %eax
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; I386-NEXT: retl
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;
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; X86-64-LABEL: main:
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; X86-64: # %bb.0: # %entry
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; X86-64-NEXT: xorl %eax, %eax
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; X86-64-NEXT: retq
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entry:
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ret i32 0
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}
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attributes #0 = { mustprogress nofree norecurse nosync nounwind readnone uwtable willreturn "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
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attributes #1 = { nofree norecurse nounwind uwtable "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
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