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https://github.com/c64scene-ar/llvm-6502.git
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47 lines
1.8 KiB
LLVM
47 lines
1.8 KiB
LLVM
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; RUN: llvm-as < %s > %t
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; RUN: llc -march=x86-64 -mattr=-sse < %t | not grep xmm
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; RUN: llc -march=x86-64 < %t | grep xmm
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; PR3403
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
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target triple = "x86_64-unknown-linux-gnu"
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%struct.__va_list_tag = type { i32, i32, i8*, i8* }
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define i32 @foo(float %a, i8* nocapture %fmt, ...) nounwind {
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entry:
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%ap = alloca [1 x %struct.__va_list_tag], align 8 ; <[1 x %struct.__va_list_tag]*> [#uses=4]
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%ap12 = bitcast [1 x %struct.__va_list_tag]* %ap to i8* ; <i8*> [#uses=2]
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call void @llvm.va_start(i8* %ap12)
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%0 = getelementptr [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 0 ; <i32*> [#uses=2]
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%1 = load i32* %0, align 8 ; <i32> [#uses=3]
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%2 = icmp ult i32 %1, 48 ; <i1> [#uses=1]
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br i1 %2, label %bb, label %bb3
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bb: ; preds = %entry
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%3 = getelementptr [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 3 ; <i8**> [#uses=1]
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%4 = load i8** %3, align 8 ; <i8*> [#uses=1]
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%5 = inttoptr i32 %1 to i8* ; <i8*> [#uses=1]
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%6 = ptrtoint i8* %5 to i64 ; <i64> [#uses=1]
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%ctg2 = getelementptr i8* %4, i64 %6 ; <i8*> [#uses=1]
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%7 = add i32 %1, 8 ; <i32> [#uses=1]
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store i32 %7, i32* %0, align 8
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br label %bb4
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bb3: ; preds = %entry
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%8 = getelementptr [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 2 ; <i8**> [#uses=2]
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%9 = load i8** %8, align 8 ; <i8*> [#uses=2]
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%10 = getelementptr i8* %9, i64 8 ; <i8*> [#uses=1]
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store i8* %10, i8** %8, align 8
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br label %bb4
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bb4: ; preds = %bb3, %bb
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%addr.0.0 = phi i8* [ %ctg2, %bb ], [ %9, %bb3 ] ; <i8*> [#uses=1]
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%11 = bitcast i8* %addr.0.0 to i32* ; <i32*> [#uses=1]
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%12 = load i32* %11, align 4 ; <i32> [#uses=1]
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call void @llvm.va_end(i8* %ap12)
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ret i32 %12
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}
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declare void @llvm.va_start(i8*) nounwind
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declare void @llvm.va_end(i8*) nounwind
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