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[X86] Don't request 0x90 nop filling in p2align directives #110134

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Oct 2, 2024
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[X86] Don't request 0x90 nop filling in p2align directives #110134

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4f2c3de
[X86] Don't request 0x90 nop filling in p2align directives
jmorse Sep 26, 2024
af878be
Remove the assignment of what's a default value
jmorse Oct 1, 2024
1628e5c
Add triple for llvm-mc assembling output of llc
jmorse Oct 1, 2024
c4d0954
Jeremy cannot spell
jmorse Oct 1, 2024
b1e8a1c
Fix this apparent end-to-end test?
jmorse Oct 1, 2024
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4 changes: 2 additions & 2 deletions clang/test/CodeGen/align-loops.c
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Expand Up @@ -5,8 +5,8 @@
// RUN: %clang_cc1 -triple=x86_64 -S %s -falign-loops=32 -O -o - | FileCheck %s --check-prefixes=CHECK,CHECK_32

// CHECK-LABEL: foo:
// CHECK_8: .p2align 3, 0x90
// CHECK_32: .p2align 5, 0x90
// CHECK_8: .p2align 3
// CHECK_32: .p2align 5

void bar(void);
void foo(void) {
Expand Down
8 changes: 0 additions & 8 deletions llvm/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp
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Expand Up @@ -43,8 +43,6 @@ X86MCAsmInfoDarwin::X86MCAsmInfoDarwin(const Triple &T) {

AssemblerDialect = AsmWriterFlavor;

TextAlignFillValue = 0x90;

if (!is64Bit)
Data64bitsDirective = nullptr; // we can't emit a 64-bit unit

Expand Down Expand Up @@ -93,8 +91,6 @@ X86ELFMCAsmInfo::X86ELFMCAsmInfo(const Triple &T) {

AssemblerDialect = AsmWriterFlavor;

TextAlignFillValue = 0x90;

// Debug Information
SupportsDebugInformation = true;

Expand Down Expand Up @@ -132,8 +128,6 @@ X86MCAsmInfoMicrosoft::X86MCAsmInfoMicrosoft(const Triple &Triple) {

AssemblerDialect = AsmWriterFlavor;

TextAlignFillValue = 0x90;

AllowAtInName = true;
}

Expand Down Expand Up @@ -167,7 +161,5 @@ X86MCAsmInfoGNUCOFF::X86MCAsmInfoGNUCOFF(const Triple &Triple) {

AssemblerDialect = AsmWriterFlavor;

TextAlignFillValue = 0x90;

AllowAtInName = true;
}
2 changes: 1 addition & 1 deletion llvm/test/CodeGen/X86/2006-08-21-ExtraMovInst.ll
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Expand Up @@ -7,7 +7,7 @@ define i32 @foo(i32 %t, i32 %C) {
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: decl %eax
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_1: # %cond_true
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: incl %eax
Expand Down
34 changes: 17 additions & 17 deletions llvm/test/CodeGen/X86/2007-01-13-StackPtrIndex.ll
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Expand Up @@ -27,7 +27,7 @@ define dso_local void @foo(ptr %a0, ptr %a1, ptr %a2, ptr %a3, ptr %a4, ptr %a5)
; CHECK-NEXT: js .LBB0_14
; CHECK-NEXT: # %bb.12:
; CHECK-NEXT: xorl %r8d, %r8d
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_13: # %a25b
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: testb %r8b, %r8b
Expand All @@ -38,7 +38,7 @@ define dso_local void @foo(ptr %a0, ptr %a1, ptr %a2, ptr %a3, ptr %a4, ptr %a5)
; CHECK-NEXT: jne .LBB0_1
; CHECK-NEXT: # %bb.15:
; CHECK-NEXT: xorl %r8d, %r8d
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_16: # %a25b140
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: testb %r8b, %r8b
Expand All @@ -56,7 +56,7 @@ define dso_local void @foo(ptr %a0, ptr %a1, ptr %a2, ptr %a3, ptr %a4, ptr %a5)
; CHECK-NEXT: xorps %xmm0, %xmm0
; CHECK-NEXT: movb $1, %r10b
; CHECK-NEXT: jmp .LBB0_3
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_9: # %b1606
; CHECK-NEXT: # in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT: testb %r9b, %r9b
Expand All @@ -83,7 +83,7 @@ define dso_local void @foo(ptr %a0, ptr %a1, ptr %a2, ptr %a3, ptr %a4, ptr %a5)
; CHECK-NEXT: # in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT: testq %rdx, %rdx
; CHECK-NEXT: js .LBB0_18
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_36: # %a30b
; CHECK-NEXT: # Parent Loop BB0_3 Depth=1
; CHECK-NEXT: # => This Inner Loop Header: Depth=2
Expand All @@ -93,7 +93,7 @@ define dso_local void @foo(ptr %a0, ptr %a1, ptr %a2, ptr %a3, ptr %a4, ptr %a5)
; CHECK-NEXT: # in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT: testb %r10b, %r10b
; CHECK-NEXT: jne .LBB0_4
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_19: # %a30b294
; CHECK-NEXT: # Parent Loop BB0_3 Depth=1
; CHECK-NEXT: # => This Inner Loop Header: Depth=2
Expand All @@ -115,7 +115,7 @@ define dso_local void @foo(ptr %a0, ptr %a1, ptr %a2, ptr %a3, ptr %a4, ptr %a5)
; CHECK-NEXT: # in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT: testb %r8b, %r8b
; CHECK-NEXT: jne .LBB0_8
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_33: # %a74b
; CHECK-NEXT: # Parent Loop BB0_3 Depth=1
; CHECK-NEXT: # => This Inner Loop Header: Depth=2
Expand All @@ -128,7 +128,7 @@ define dso_local void @foo(ptr %a0, ptr %a1, ptr %a2, ptr %a3, ptr %a4, ptr %a5)
; CHECK-NEXT: # in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT: testl %eax, %eax
; CHECK-NEXT: js .LBB0_9
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_35: # %a97b
; CHECK-NEXT: # Parent Loop BB0_3 Depth=1
; CHECK-NEXT: # => This Inner Loop Header: Depth=2
Expand All @@ -142,7 +142,7 @@ define dso_local void @foo(ptr %a0, ptr %a1, ptr %a2, ptr %a3, ptr %a4, ptr %a5)
; CHECK-NEXT: testb %r9b, %r9b
; CHECK-NEXT: jne .LBB0_35
; CHECK-NEXT: jmp .LBB0_9
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_21: # %b377
; CHECK-NEXT: # in Loop: Header=BB0_20 Depth=2
; CHECK-NEXT: testb %r9b, %r9b
Expand All @@ -153,15 +153,15 @@ define dso_local void @foo(ptr %a0, ptr %a1, ptr %a2, ptr %a3, ptr %a4, ptr %a5)
; CHECK-NEXT: # Child Loop BB0_37 Depth 3
; CHECK-NEXT: testq %rsi, %rsi
; CHECK-NEXT: js .LBB0_21
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_37: # %a35b
; CHECK-NEXT: # Parent Loop BB0_3 Depth=1
; CHECK-NEXT: # Parent Loop BB0_20 Depth=2
; CHECK-NEXT: # => This Inner Loop Header: Depth=3
; CHECK-NEXT: testb %r9b, %r9b
; CHECK-NEXT: je .LBB0_37
; CHECK-NEXT: jmp .LBB0_21
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_27: # %b1016
; CHECK-NEXT: # in Loop: Header=BB0_25 Depth=2
; CHECK-NEXT: testq %rsi, %rsi
Expand All @@ -173,7 +173,7 @@ define dso_local void @foo(ptr %a0, ptr %a1, ptr %a2, ptr %a3, ptr %a4, ptr %a5)
; CHECK-NEXT: # Child Loop BB0_28 Depth 3
; CHECK-NEXT: testq %rdx, %rdx
; CHECK-NEXT: js .LBB0_26
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_38: # %a53b
; CHECK-NEXT: # Parent Loop BB0_3 Depth=1
; CHECK-NEXT: # Parent Loop BB0_25 Depth=2
Expand All @@ -184,15 +184,15 @@ define dso_local void @foo(ptr %a0, ptr %a1, ptr %a2, ptr %a3, ptr %a4, ptr %a5)
; CHECK-NEXT: # in Loop: Header=BB0_25 Depth=2
; CHECK-NEXT: testb %r10b, %r10b
; CHECK-NEXT: jne .LBB0_27
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_28: # %a53b1019
; CHECK-NEXT: # Parent Loop BB0_3 Depth=1
; CHECK-NEXT: # Parent Loop BB0_25 Depth=2
; CHECK-NEXT: # => This Inner Loop Header: Depth=3
; CHECK-NEXT: testq %rdx, %rdx
; CHECK-NEXT: jle .LBB0_28
; CHECK-NEXT: jmp .LBB0_27
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_31: # %b1263
; CHECK-NEXT: # in Loop: Header=BB0_29 Depth=2
; CHECK-NEXT: testq %rdx, %rdx
Expand All @@ -204,7 +204,7 @@ define dso_local void @foo(ptr %a0, ptr %a1, ptr %a2, ptr %a3, ptr %a4, ptr %a5)
; CHECK-NEXT: # Child Loop BB0_32 Depth 3
; CHECK-NEXT: testq %rsi, %rsi
; CHECK-NEXT: js .LBB0_30
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_39: # %a63b
; CHECK-NEXT: # Parent Loop BB0_3 Depth=1
; CHECK-NEXT: # Parent Loop BB0_29 Depth=2
Expand All @@ -215,15 +215,15 @@ define dso_local void @foo(ptr %a0, ptr %a1, ptr %a2, ptr %a3, ptr %a4, ptr %a5)
; CHECK-NEXT: # in Loop: Header=BB0_29 Depth=2
; CHECK-NEXT: testq %rsi, %rsi
; CHECK-NEXT: jle .LBB0_31
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_32: # %a63b1266
; CHECK-NEXT: # Parent Loop BB0_3 Depth=1
; CHECK-NEXT: # Parent Loop BB0_29 Depth=2
; CHECK-NEXT: # => This Inner Loop Header: Depth=3
; CHECK-NEXT: testq %rsi, %rsi
; CHECK-NEXT: jle .LBB0_32
; CHECK-NEXT: jmp .LBB0_31
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_24: # %b712
; CHECK-NEXT: # in Loop: Header=BB0_22 Depth=2
; CHECK-NEXT: testb %r9b, %r9b
Expand All @@ -234,7 +234,7 @@ define dso_local void @foo(ptr %a0, ptr %a1, ptr %a2, ptr %a3, ptr %a4, ptr %a5)
; CHECK-NEXT: # Child Loop BB0_23 Depth 3
; CHECK-NEXT: testq %rdx, %rdx
; CHECK-NEXT: js .LBB0_24
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_23: # %a45b
; CHECK-NEXT: # Parent Loop BB0_3 Depth=1
; CHECK-NEXT: # Parent Loop BB0_22 Depth=2
Expand Down
2 changes: 1 addition & 1 deletion llvm/test/CodeGen/X86/2007-03-15-GEP-Idx-Sink.ll
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Expand Up @@ -15,7 +15,7 @@ define void @foo(ptr %buf, i32 %size, i32 %col, ptr %p) nounwind {
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %edx
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %esi
; CHECK-NEXT: addl $8, %ecx
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: LBB0_2: ## %bb
; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl (%esi), %edi
Expand Down
2 changes: 1 addition & 1 deletion llvm/test/CodeGen/X86/2007-10-12-CoalesceExtSubReg.ll
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Expand Up @@ -9,7 +9,7 @@ define signext i16 @f(ptr %bp, ptr %ss) {
; CHECK-NEXT: .cfi_offset %esi, -8
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_1: # %cond_next127
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl (%eax), %edx
Expand Down
2 changes: 1 addition & 1 deletion llvm/test/CodeGen/X86/2007-10-12-SpillerUnfold2.ll
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Expand Up @@ -6,7 +6,7 @@ define signext i16 @t(ptr %qmatrix, ptr %dct, ptr %acBaseTable, ptr %acExtTabl
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_1: # %cond_next127
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %eax, %edx
Expand Down
2 changes: 1 addition & 1 deletion llvm/test/CodeGen/X86/2007-11-06-InstrSched.ll
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Expand Up @@ -14,7 +14,7 @@ define float @foo(ptr %x, ptr %y, i32 %c) nounwind {
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %edx
; CHECK-NEXT: xorps %xmm0, %xmm0
; CHECK-NEXT: xorl %esi, %esi
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_3: # %bb18
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: xorps %xmm1, %xmm1
Expand Down
6 changes: 3 additions & 3 deletions llvm/test/CodeGen/X86/2007-11-30-LoadFolding-Bug.ll
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Expand Up @@ -16,7 +16,7 @@ define fastcc void @mp_sqrt(i32 %n, i32 %radix, ptr %in, ptr %out, ptr %tmp1, pt
; CHECK-NEXT: movb $1, %cl
; CHECK-NEXT: movl $1, %ebx
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %esi
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_1: # %bb.i5
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %ecx, %eax
Expand All @@ -37,7 +37,7 @@ define fastcc void @mp_sqrt(i32 %n, i32 %radix, ptr %in, ptr %out, ptr %tmp1, pt
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: xorl %ecx, %ecx
; CHECK-NEXT: xorpd %xmm1, %xmm1
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_7: # %bb.i28.i
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: cvttsd2si %xmm1, %edi
Expand Down Expand Up @@ -85,7 +85,7 @@ define fastcc void @mp_sqrt(i32 %n, i32 %radix, ptr %in, ptr %out, ptr %tmp1, pt
; CHECK-NEXT: popl %ebx
; CHECK-NEXT: popl %ebp
; CHECK-NEXT: retl
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_9: # %bb.i.i
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: jmp .LBB0_9
Expand Down
6 changes: 3 additions & 3 deletions llvm/test/CodeGen/X86/2008-04-28-CoalescerBug.ll
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Expand Up @@ -16,13 +16,13 @@ define void @t(ptr %depth, ptr %bop, i32 %mode) nounwind {
; CHECK-NEXT: ## %bb.1: ## %entry
; CHECK-NEXT: cmpl $1, %edx
; CHECK-NEXT: jne LBB0_10
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: LBB0_2: ## %bb2898.us
; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
; CHECK-NEXT: jmp LBB0_2
; CHECK-NEXT: LBB0_3: ## %bb13086.preheader
; CHECK-NEXT: movb $1, %al
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: LBB0_4: ## %bb13088
; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
; CHECK-NEXT: testb %al, %al
Expand All @@ -31,7 +31,7 @@ define void @t(ptr %depth, ptr %bop, i32 %mode) nounwind {
; CHECK-NEXT: ## in Loop: Header=BB0_4 Depth=1
; CHECK-NEXT: xorl %ecx, %ecx
; CHECK-NEXT: jmp LBB0_7
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: LBB0_5: ## in Loop: Header=BB0_4 Depth=1
; CHECK-NEXT: movl $65535, %ecx ## imm = 0xFFFF
; CHECK-NEXT: LBB0_7: ## %bb13107
Expand Down
2 changes: 1 addition & 1 deletion llvm/test/CodeGen/X86/2008-08-06-CmpStride.ll
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Expand Up @@ -10,7 +10,7 @@ define i32 @main() nounwind {
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl $10271, %ebx # imm = 0x281F
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_1: # %forbody
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl $.str, %edi
Expand Down
2 changes: 1 addition & 1 deletion llvm/test/CodeGen/X86/2008-12-01-loop-iv-used-outside-loop.ll
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Expand Up @@ -11,7 +11,7 @@ define ptr @test(ptr %Q, ptr %L) nounwind {
; CHECK: ## %bb.0: ## %entry
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: jmp LBB0_2
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: LBB0_1: ## %bb
; CHECK-NEXT: ## in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT: incl %eax
Expand Down
2 changes: 1 addition & 1 deletion llvm/test/CodeGen/X86/2009-02-26-MachineLICMBug.ll
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Expand Up @@ -20,7 +20,7 @@ define ptr @t(ptr %desc, i64 %p) nounwind ssp {
; CHECK-NEXT: movq %rdi, %r14
; CHECK-NEXT: orq $2097152, %rbx ## imm = 0x200000
; CHECK-NEXT: andl $15728640, %ebx ## imm = 0xF00000
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: LBB0_1: ## %bb4
; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
; CHECK-NEXT: xorl %eax, %eax
Expand Down
2 changes: 1 addition & 1 deletion llvm/test/CodeGen/X86/2009-04-25-CoalescerBug.ll
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Expand Up @@ -8,7 +8,7 @@ define i64 @test(ptr %tmp13) nounwind {
; CHECK-NEXT: movl (%rdi), %ecx
; CHECK-NEXT: movl %ecx, %eax
; CHECK-NEXT: shrl %eax
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_1: # %while.cond
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: testb $1, %cl
Expand Down
2 changes: 1 addition & 1 deletion llvm/test/CodeGen/X86/2009-08-12-badswitch.ll
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Expand Up @@ -123,7 +123,7 @@ define internal fastcc i32 @foo(i64 %bar) nounwind ssp {
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: popq %rcx
; CHECK-NEXT: retq
; CHECK-NEXT: .p2align 2, 0x90
; CHECK-NEXT: .p2align 2
; CHECK-NEXT: .data_region jt32
; CHECK-NEXT: .set L0_0_set_3, LBB0_3-LJTI0_0
; CHECK-NEXT: .set L0_0_set_4, LBB0_4-LJTI0_0
Expand Down
8 changes: 4 additions & 4 deletions llvm/test/CodeGen/X86/2020_12_02_decrementing_loop.ll
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Expand Up @@ -4,7 +4,7 @@
define i32 @test_01(ptr %p, i64 %len, i32 %x) {
; CHECK-LABEL: test_01:
; CHECK: ## %bb.0: ## %entry
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: LBB0_1: ## %loop
; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
; CHECK-NEXT: subq $1, %rsi
Expand Down Expand Up @@ -44,7 +44,7 @@ failure: ; preds = %backedge
define i32 @test_01a(ptr %p, i64 %len, i32 %x) {
; CHECK-LABEL: test_01a:
; CHECK: ## %bb.0: ## %entry
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: LBB1_1: ## %loop
; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
; CHECK-NEXT: subq $1, %rsi
Expand Down Expand Up @@ -84,7 +84,7 @@ failure: ; preds = %backedge
define i32 @test_02(ptr %p, i64 %len, i32 %x) {
; CHECK-LABEL: test_02:
; CHECK: ## %bb.0: ## %entry
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: LBB2_1: ## %loop
; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
; CHECK-NEXT: subq $1, %rsi
Expand Down Expand Up @@ -126,7 +126,7 @@ failure: ; preds = %backedge
define i32 @test_03(ptr %p, i64 %len, i32 %x) {
; CHECK-LABEL: test_03:
; CHECK: ## %bb.0: ## %entry
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: LBB3_1: ## %loop
; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
; CHECK-NEXT: subq $1, %rsi
Expand Down
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