67 lines
1.8 KiB
LLVM
67 lines
1.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s
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define void @test_phi_diff_size(i1 %c) sspstrong {
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; CHECK-LABEL: test_phi_diff_size:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: testb $1, %dil
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; CHECK-NEXT: je .LBB0_1
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; CHECK-NEXT: # %bb.2: # %if
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; CHECK-NEXT: leaq -{{[0-9]+}}(%rsp), %rax
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; CHECK-NEXT: movq $0, (%rax)
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; CHECK-NEXT: retq
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; CHECK-NEXT: .LBB0_1:
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; CHECK-NEXT: leaq -{{[0-9]+}}(%rsp), %rax
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; CHECK-NEXT: movq $0, (%rax)
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; CHECK-NEXT: retq
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entry:
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%a = alloca i64
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br i1 %c, label %if, label %join
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if:
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%gep = getelementptr i8, ptr %a, i64 4
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br label %join
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join:
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%phi = phi ptr [ %a, %entry ], [ %gep, %if ]
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store i64 0, ptr %phi
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ret void
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}
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define void @test_phi_loop(i1 %c) sspstrong {
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; CHECK-LABEL: test_phi_loop:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: pushq %rbp
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: .cfi_offset %rbp, -16
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; CHECK-NEXT: movq %rsp, %rbp
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; CHECK-NEXT: .cfi_def_cfa_register %rbp
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; CHECK-NEXT: andq $-131072, %rsp # imm = 0xFFFE0000
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; CHECK-NEXT: subq $262144, %rsp # imm = 0x40000
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; CHECK-NEXT: movq %rsp, %rax
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; CHECK-NEXT: .p2align 4
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; CHECK-NEXT: .LBB1_1: # %loop
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; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: movq $0, (%rax)
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; CHECK-NEXT: addq $4, %rax
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; CHECK-NEXT: testb $1, %dil
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; CHECK-NEXT: jne .LBB1_1
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; CHECK-NEXT: # %bb.2: # %exit
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; CHECK-NEXT: movq %rbp, %rsp
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; CHECK-NEXT: popq %rbp
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; CHECK-NEXT: .cfi_def_cfa %rsp, 8
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; CHECK-NEXT: retq
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entry:
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%a = alloca <10000 x i64>
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br label %loop
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loop:
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%phi = phi ptr [ %a, %entry ], [ %gep, %loop ]
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store i64 0, ptr %phi
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%gep = getelementptr i8, ptr %phi, i64 4
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br i1 %c, label %loop, label %exit
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exit:
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ret void
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}
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