1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -instsimplify -S | FileCheck %s 3 4@zeroinit = constant {} zeroinitializer 5@undef = constant {} undef 6 7define i32 @crash_on_zeroinit() { 8; CHECK-LABEL: @crash_on_zeroinit( 9; CHECK-NEXT: ret i32 0 10; 11 %load = load i32, i32* bitcast ({}* @zeroinit to i32*) 12 ret i32 %load 13} 14 15define i32 @crash_on_undef() { 16; CHECK-LABEL: @crash_on_undef( 17; CHECK-NEXT: ret i32 undef 18; 19 %load = load i32, i32* bitcast ({}* @undef to i32*) 20 ret i32 %load 21} 22 23@GV = private constant [8 x i32] [i32 42, i32 43, i32 44, i32 45, i32 46, i32 47, i32 48, i32 49] 24 25define <8 x i32> @partial_load() { 26; CHECK-LABEL: @partial_load( 27; CHECK-NEXT: ret <8 x i32> <i32 0, i32 42, i32 43, i32 44, i32 45, i32 46, i32 47, i32 48> 28; 29 %load = load <8 x i32>, <8 x i32>* bitcast (i32* getelementptr ([8 x i32], [8 x i32]* @GV, i64 0, i64 -1) to <8 x i32>*) 30 ret <8 x i32> %load 31} 32 33@constvec = internal constant <3 x float> <float 0xBFDA20BC40000000, float 0xBFE6A09EE0000000, float 0x3FE279A760000000> 34 35; This does an out of bounds load from the global constant 36define <3 x float> @load_vec3() { 37; CHECK-LABEL: @load_vec3( 38; CHECK-NEXT: ret <3 x float> undef 39; 40 %1 = load <3 x float>, <3 x float>* getelementptr inbounds (<3 x float>, <3 x float>* @constvec, i64 1) 41 ret <3 x float> %1 42} 43