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40 lines
1.1 KiB
LLVM
40 lines
1.1 KiB
LLVM
; RUN: llc < %s -mtriple=i386-apple-darwin | FileCheck %s
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; CodeGen should align the top of the loop, which differs from the loop
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; header in this case.
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; CHECK: jmp LBB0_2
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; CHECK: .align
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; CHECK: LBB0_1:
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@A = common global [100 x i32] zeroinitializer, align 32 ; <[100 x i32]*> [#uses=1]
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define i8* @test(i8* %Q, i32* %L) nounwind {
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entry:
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%tmp = tail call i32 (...)* @foo() nounwind ; <i32> [#uses=2]
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%tmp1 = inttoptr i32 %tmp to i8* ; <i8*> [#uses=1]
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br label %bb1
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bb: ; preds = %bb1, %bb1
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%indvar.next = add i32 %P.0.rec, 1 ; <i32> [#uses=1]
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br label %bb1
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bb1: ; preds = %bb, %entry
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%P.0.rec = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=2]
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%P.0 = getelementptr i8* %tmp1, i32 %P.0.rec ; <i8*> [#uses=3]
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%tmp2 = load i8* %P.0, align 1 ; <i8> [#uses=1]
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switch i8 %tmp2, label %bb4 [
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i8 12, label %bb
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i8 42, label %bb
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]
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bb4: ; preds = %bb1
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%tmp3 = ptrtoint i8* %P.0 to i32 ; <i32> [#uses=1]
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%tmp4 = sub i32 %tmp3, %tmp ; <i32> [#uses=1]
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%tmp5 = getelementptr [100 x i32]* @A, i32 0, i32 %tmp4 ; <i32*> [#uses=1]
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store i32 4, i32* %tmp5, align 4
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ret i8* %P.0
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}
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declare i32 @foo(...)
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