32 lines
1.0 KiB
LLVM
32 lines
1.0 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s
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; rdar://6806252
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define i64 @test(i32* %tmp13) nounwind {
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; CHECK-LABEL: test:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: .p2align 4, 0x90
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; CHECK-NEXT: .LBB0_1: # %while.cond
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; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: movl (%rdi), %eax
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; CHECK-NEXT: testb $1, %al
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; CHECK-NEXT: jne .LBB0_1
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; CHECK-NEXT: # %bb.2: # %while.end
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; CHECK-NEXT: shrl %eax
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; CHECK-NEXT: retq
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entry:
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br label %while.cond
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while.cond: ; preds = %while.cond, %entry
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%tmp15 = load i32, i32* %tmp13 ; <i32> [#uses=2]
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%bf.lo = lshr i32 %tmp15, 1 ; <i32> [#uses=1]
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%bf.lo.cleared = and i32 %bf.lo, 2147483647 ; <i32> [#uses=1]
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%conv = zext i32 %bf.lo.cleared to i64 ; <i64> [#uses=1]
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%bf.lo.cleared25 = and i32 %tmp15, 1 ; <i32> [#uses=1]
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%tobool = icmp ne i32 %bf.lo.cleared25, 0 ; <i1> [#uses=1]
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br i1 %tobool, label %while.cond, label %while.end
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while.end: ; preds = %while.cond
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ret i64 %conv
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}
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