1 ; RUN: llc < %s -march=x86-64 -mattr=-sse | FileCheck %s -check-prefix=NOSSE 2 ; RUN: llc < %s -march=x86-64 | FileCheck %s -check-prefix=YESSSE 3 ; PR3403 4 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" 5 target triple = "x86_64-unknown-linux-gnu" 6 %struct.__va_list_tag = type { i32, i32, i8*, i8* } 7 8 ; NOSSE-NOT: xmm 9 ; YESSSE: xmm 10 define i32 @foo(float %a, i8* nocapture %fmt, ...) nounwind { 11 entry: 12 %ap = alloca [1 x %struct.__va_list_tag], align 8 ; <[1 x %struct.__va_list_tag]*> [#uses=4] 13 %ap12 = bitcast [1 x %struct.__va_list_tag]* %ap to i8* ; <i8*> [#uses=2] 14 call void @llvm.va_start(i8* %ap12) 15 %0 = getelementptr [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 0 ; <i32*> [#uses=2] 16 %1 = load i32, i32* %0, align 8 ; <i32> [#uses=3] 17 %2 = icmp ult i32 %1, 48 ; <i1> [#uses=1] 18 br i1 %2, label %bb, label %bb3 19 20 bb: ; preds = %entry 21 %3 = getelementptr [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 3 ; <i8**> [#uses=1] 22 %4 = load i8*, i8** %3, align 8 ; <i8*> [#uses=1] 23 %5 = inttoptr i32 %1 to i8* ; <i8*> [#uses=1] 24 %6 = ptrtoint i8* %5 to i64 ; <i64> [#uses=1] 25 %ctg2 = getelementptr i8, i8* %4, i64 %6 ; <i8*> [#uses=1] 26 %7 = add i32 %1, 8 ; <i32> [#uses=1] 27 store i32 %7, i32* %0, align 8 28 br label %bb4 29 30 bb3: ; preds = %entry 31 %8 = getelementptr [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 2 ; <i8**> [#uses=2] 32 %9 = load i8*, i8** %8, align 8 ; <i8*> [#uses=2] 33 %10 = getelementptr i8, i8* %9, i64 8 ; <i8*> [#uses=1] 34 store i8* %10, i8** %8, align 8 35 br label %bb4 36 37 bb4: ; preds = %bb3, %bb 38 %addr.0.0 = phi i8* [ %ctg2, %bb ], [ %9, %bb3 ] ; <i8*> [#uses=1] 39 %11 = bitcast i8* %addr.0.0 to i32* ; <i32*> [#uses=1] 40 %12 = load i32, i32* %11, align 4 ; <i32> [#uses=1] 41 call void @llvm.va_end(i8* %ap12) 42 ret i32 %12 43 } 44 45 declare void @llvm.va_start(i8*) nounwind 46 47 declare void @llvm.va_end(i8*) nounwind 48
