1 ; RUN: opt < %s -instcombine -S | FileCheck %s 2 3 target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64" 4 target triple = "powerpc64-unknown-linux-gnu" 5 6 ; These tests are extracted from bitcast.ll. 7 ; Verify that they also work correctly on big-endian targets. 8 9 define float @test2(<2 x float> %A, <2 x i32> %B) { 10 %tmp28 = bitcast <2 x float> %A to i64 ; <i64> [#uses=2] 11 %tmp23 = trunc i64 %tmp28 to i32 ; <i32> [#uses=1] 12 %tmp24 = bitcast i32 %tmp23 to float ; <float> [#uses=1] 13 14 %tmp = bitcast <2 x i32> %B to i64 15 %tmp2 = trunc i64 %tmp to i32 ; <i32> [#uses=1] 16 %tmp4 = bitcast i32 %tmp2 to float ; <float> [#uses=1] 17 18 %add = fadd float %tmp24, %tmp4 19 ret float %add 20 21 ; CHECK-LABEL: @test2( 22 ; CHECK-NEXT: %tmp24 = extractelement <2 x float> %A, i32 1 23 ; CHECK-NEXT: bitcast <2 x i32> %B to <2 x float> 24 ; CHECK-NEXT: %tmp4 = extractelement <2 x float> {{.*}}, i32 1 25 ; CHECK-NEXT: %add = fadd float %tmp24, %tmp4 26 ; CHECK-NEXT: ret float %add 27 } 28 29 define float @test3(<2 x float> %A, <2 x i64> %B) { 30 %tmp28 = bitcast <2 x float> %A to i64 31 %tmp29 = lshr i64 %tmp28, 32 32 %tmp23 = trunc i64 %tmp29 to i32 33 %tmp24 = bitcast i32 %tmp23 to float 34 35 %tmp = bitcast <2 x i64> %B to i128 36 %tmp1 = lshr i128 %tmp, 64 37 %tmp2 = trunc i128 %tmp1 to i32 38 %tmp4 = bitcast i32 %tmp2 to float 39 40 %add = fadd float %tmp24, %tmp4 41 ret float %add 42 43 ; CHECK-LABEL: @test3( 44 ; CHECK-NEXT: %tmp24 = extractelement <2 x float> %A, i32 0 45 ; CHECK-NEXT: bitcast <2 x i64> %B to <4 x float> 46 ; CHECK-NEXT: %tmp4 = extractelement <4 x float> {{.*}}, i32 1 47 ; CHECK-NEXT: %add = fadd float %tmp24, %tmp4 48 ; CHECK-NEXT: ret float %add 49 } 50 51
