1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2 ; RUN: opt < %s -constprop -S -o - | FileCheck %s 3 4 ; Testcase that verify that we don't get a faulty bitcast that cast between 5 ; different sizes. 6 7 %rec8 = type { i16 } 8 @a = global [1 x %rec8] zeroinitializer 9 10 define <2 x i16*> @test_gep() { 11 ; CHECK-LABEL: @test_gep( 12 ; CHECK-NEXT: ret <2 x i16*> <i16* getelementptr inbounds (%rec8, %rec8* extractelement (<2 x %rec8*> getelementptr ([1 x %rec8], [1 x %rec8]* @a, <2 x i64> zeroinitializer, <2 x i64> zeroinitializer), i32 0), i32 0, i32 0), i16* getelementptr inbounds (%rec8, %rec8* extractelement (<2 x %rec8*> getelementptr ([1 x %rec8], [1 x %rec8]* @a, <2 x i64> zeroinitializer, <2 x i64> zeroinitializer), i32 1), i32 0, i32 0)> 13 ; 14 %A = getelementptr [1 x %rec8], [1 x %rec8]* @a, <2 x i16> zeroinitializer, <2 x i64> zeroinitializer 15 %B = bitcast <2 x %rec8*> %A to <2 x i16*> 16 ret <2 x i16*> %B 17 } 18 19 ; Testcase that verify the cast-of-cast when the outer/second cast is to a 20 ; vector type. 21 22 define <4 x i16> @test_mmx_const() { 23 ; CHECK-LABEL: @test_mmx_const( 24 ; CHECK-NEXT: ret <4 x i16> zeroinitializer 25 ; 26 %A = bitcast <2 x i32> zeroinitializer to x86_mmx 27 %B = bitcast x86_mmx %A to <4 x i16> 28 ret <4 x i16> %B 29 } 30
