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2932795309
(this is the case when we have thumb vararg function with single callee-saved register, which is handled separately). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73529 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
1.5 KiB
LLVM
37 lines
1.5 KiB
LLVM
; RUN: llvm-as < %s | llc -march=thumb
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; RUN: llvm-as < %s | llc -march=thumb | \
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; RUN: grep pop | count 1
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@str = internal constant [4 x i8] c"%d\0A\00" ; <[4 x i8]*> [#uses=1]
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define void @f(i32 %a, ...) {
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entry:
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%va = alloca i8*, align 4 ; <i8**> [#uses=4]
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%va.upgrd.1 = bitcast i8** %va to i8* ; <i8*> [#uses=1]
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call void @llvm.va_start( i8* %va.upgrd.1 )
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br label %bb
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bb: ; preds = %bb, %entry
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%a_addr.0 = phi i32 [ %a, %entry ], [ %tmp5, %bb ] ; <i32> [#uses=2]
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%tmp = volatile load i8** %va ; <i8*> [#uses=2]
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%tmp2 = getelementptr i8* %tmp, i32 4 ; <i8*> [#uses=1]
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volatile store i8* %tmp2, i8** %va
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%tmp5 = add i32 %a_addr.0, -1 ; <i32> [#uses=1]
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%tmp.upgrd.2 = icmp eq i32 %a_addr.0, 1 ; <i1> [#uses=1]
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br i1 %tmp.upgrd.2, label %bb7, label %bb
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bb7: ; preds = %bb
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%tmp3 = bitcast i8* %tmp to i32* ; <i32*> [#uses=1]
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%tmp.upgrd.3 = load i32* %tmp3 ; <i32> [#uses=1]
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%tmp10 = call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @str, i32 0, i64 0), i32 %tmp.upgrd.3 ) ; <i32> [#uses=0]
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%va.upgrd.4 = bitcast i8** %va to i8* ; <i8*> [#uses=1]
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call void @llvm.va_end( i8* %va.upgrd.4 )
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ret void
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}
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declare void @llvm.va_start(i8*)
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declare i32 @printf(i8*, ...)
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declare void @llvm.va_end(i8*)
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