1 ; PR1226 2 ; RUN: opt < %s -scalarrepl -S | grep "ret i32 16843009" 3 ; RUN: opt < %s -scalarrepl -S | not grep alloca 4 ; RUN: opt < %s -scalarrepl -instcombine -S | grep "ret i16 514" 5 6 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64" 7 target triple = "i686-apple-darwin8" 8 %struct.bar = type { %struct.foo, i64, double } 9 %struct.foo = type { i32, i32 } 10 11 12 define i32 @test1(%struct.foo* %P) { 13 entry: 14 %L = alloca %struct.foo, align 8 ; <%struct.foo*> [#uses=2] 15 %L2 = bitcast %struct.foo* %L to i8* ; <i8*> [#uses=1] 16 %tmp13 = bitcast %struct.foo* %P to i8* ; <i8*> [#uses=1] 17 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %L2, i8* %tmp13, i32 8, i32 4, i1 false) 18 %tmp4 = getelementptr %struct.foo* %L, i32 0, i32 0 ; <i32*> [#uses=1] 19 %tmp5 = load i32* %tmp4 ; <i32> [#uses=1] 20 ret i32 %tmp5 21 } 22 23 24 define i32 @test2() { 25 entry: 26 %L = alloca [4 x %struct.foo], align 16 ; <[4 x %struct.foo]*> [#uses=2] 27 %L12 = bitcast [4 x %struct.foo]* %L to i8* ; <i8*> [#uses=1] 28 call void @llvm.memset.p0i8.i32(i8* %L12, i8 0, i32 32, i32 16, i1 false) 29 %tmp4 = getelementptr [4 x %struct.foo]* %L, i32 0, i32 0, i32 0 ; <i32*> [#uses=1] 30 %tmp5 = load i32* %tmp4 ; <i32> [#uses=1] 31 ret i32 %tmp5 32 } 33 34 35 define i32 @test3() { 36 entry: 37 %B = alloca %struct.bar, align 16 ; <%struct.bar*> [#uses=4] 38 %B1 = bitcast %struct.bar* %B to i8* ; <i8*> [#uses=1] 39 call void @llvm.memset.p0i8.i32(i8* %B1, i8 1, i32 24, i32 16, i1 false) 40 %tmp3 = getelementptr %struct.bar* %B, i32 0, i32 0, i32 0 ; <i32*> [#uses=1] 41 store i32 1, i32* %tmp3 42 %tmp4 = getelementptr %struct.bar* %B, i32 0, i32 2 ; <double*> [#uses=1] 43 store double 1.000000e+01, double* %tmp4 44 %tmp6 = getelementptr %struct.bar* %B, i32 0, i32 0, i32 1 ; <i32*> [#uses=1] 45 %tmp7 = load i32* %tmp6 ; <i32> [#uses=1] 46 ret i32 %tmp7 47 } 48 49 50 %struct.f = type { i32, i32, i32, i32, i32, i32 } 51 52 define i16 @test4() nounwind { 53 entry: 54 %A = alloca %struct.f, align 8 ; <%struct.f*> [#uses=3] 55 %0 = getelementptr %struct.f* %A, i32 0, i32 0 ; <i32*> [#uses=1] 56 store i32 1, i32* %0, align 8 57 %1 = getelementptr %struct.f* %A, i32 0, i32 1 ; <i32*> [#uses=1] 58 %2 = bitcast i32* %1 to i8* ; <i8*> [#uses=1] 59 call void @llvm.memset.p0i8.i32(i8* %2, i8 2, i32 12, i32 4, i1 false) 60 %3 = getelementptr %struct.f* %A, i32 0, i32 2 ; <i32*> [#uses=1] 61 %4 = load i32* %3, align 8 ; <i32> [#uses=1] 62 %retval12 = trunc i32 %4 to i16 ; <i16> [#uses=1] 63 ret i16 %retval12 64 } 65 declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind 66 67 declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind
