; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -instcombine -S | FileCheck %s ; rdar://6480438 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-f80:128:128" target triple = "i386-apple-darwin9.6" %struct.Key = type { { i32, i32 } } %struct.anon = type <{ i8, [3 x i8], i32 }> define i32 @bar(i64 %key_token2) nounwind { ; CHECK-LABEL: @bar( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[IOSPEC:%.*]] = alloca [[STRUCT_KEY:%.*]], align 8 ; CHECK-NEXT: [[RET:%.*]] = alloca i32, align 4 ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds [[STRUCT_KEY]], %struct.Key* [[IOSPEC]], i32 0, i32 0, i32 0 ; CHECK-NEXT: store i32 0, i32* [[TMP0]], align 8 ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds [[STRUCT_KEY]], %struct.Key* [[IOSPEC]], i32 0, i32 0, i32 1 ; CHECK-NEXT: store i32 0, i32* [[TMP1]], align 4 ; CHECK-NEXT: [[TMP2:%.*]] = bitcast %struct.Key* [[IOSPEC]] to i64* ; CHECK-NEXT: store i64 [[KEY_TOKEN2:%.*]], i64* [[TMP2]], align 8 ; CHECK-NEXT: [[TMP3:%.*]] = call i32 (...) @foo(%struct.Key* nonnull byval(%struct.Key) align 4 [[IOSPEC]], i32* nonnull [[RET]]) [[ATTR0:#.*]] ; CHECK-NEXT: [[TMP4:%.*]] = load i32, i32* [[RET]], align 4 ; CHECK-NEXT: ret i32 [[TMP4]] ; entry: %iospec = alloca %struct.Key ; <%struct.Key*> [#uses=3] %ret = alloca i32 ; [#uses=2] %"alloca point" = bitcast i32 0 to i32 ; [#uses=0] %0 = getelementptr %struct.Key, %struct.Key* %iospec, i32 0, i32 0 ; <{ i32, i32 }*> [#uses=2] %1 = getelementptr { i32, i32 }, { i32, i32 }* %0, i32 0, i32 0 ; [#uses=1] store i32 0, i32* %1, align 4 %2 = getelementptr { i32, i32 }, { i32, i32 }* %0, i32 0, i32 1 ; [#uses=1] store i32 0, i32* %2, align 4 %3 = getelementptr %struct.Key, %struct.Key* %iospec, i32 0, i32 0 ; <{ i32, i32 }*> [#uses=1] %4 = bitcast { i32, i32 }* %3 to i64* ; [#uses=1] store i64 %key_token2, i64* %4, align 4 %5 = call i32 (...) @foo(%struct.Key* byval(%struct.Key) align 4 %iospec, i32* %ret) nounwind ; [#uses=0] %6 = load i32, i32* %ret, align 4 ; [#uses=1] ret i32 %6 } declare i32 @foo(...)