1 ; RUN: opt -S -instcombine < %s | FileCheck %s 2 ; PR2297 3 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" 4 target triple = "i386-apple-darwin8" 5 6 define i32 @a() nounwind { 7 entry: 8 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] 9 %tmp1 = call i8* @malloc( i32 10 ) nounwind ; <i8*> [#uses=5] 10 %tmp3 = getelementptr i8, i8* %tmp1, i32 1 ; <i8*> [#uses=1] 11 store i8 0, i8* %tmp3, align 1 12 %tmp5 = getelementptr i8, i8* %tmp1, i32 0 ; <i8*> [#uses=1] 13 store i8 1, i8* %tmp5, align 1 14 ; CHECK: store 15 ; CHECK: store 16 ; CHECK-NEXT: strlen 17 ; CHECK-NEXT: store 18 %tmp7 = call i32 @strlen( i8* %tmp1 ) nounwind readonly ; <i32> [#uses=1] 19 %tmp9 = getelementptr i8, i8* %tmp1, i32 0 ; <i8*> [#uses=1] 20 store i8 0, i8* %tmp9, align 1 21 %tmp11 = call i32 (...) @b( i8* %tmp1 ) nounwind ; <i32> [#uses=0] 22 br label %return 23 24 return: ; preds = %entry 25 ret i32 %tmp7 26 } 27 28 declare i8* @malloc(i32) nounwind 29 30 declare i32 @strlen(i8*) nounwind readonly 31 32 declare i32 @b(...) 33