Home | History | Annotate | Download | only in InstCombine
      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 define <2 x i32> @test4(i32 %A, i32 %B){
     52   %tmp38 = zext i32 %A to i64
     53   %tmp32 = zext i32 %B to i64
     54   %tmp33 = shl i64 %tmp32, 32
     55   %ins35 = or i64 %tmp33, %tmp38
     56   %tmp43 = bitcast i64 %ins35 to <2 x i32>
     57   ret <2 x i32> %tmp43
     58   ; CHECK-LABEL: @test4(
     59   ; CHECK-NEXT: insertelement <2 x i32> undef, i32 %B, i32 0
     60   ; CHECK-NEXT: insertelement <2 x i32> {{.*}}, i32 %A, i32 1
     61   ; CHECK-NEXT: ret <2 x i32>
     62 
     63 }
     64 
     65 define <2 x float> @test5(float %A, float %B) {
     66   %tmp37 = bitcast float %A to i32
     67   %tmp38 = zext i32 %tmp37 to i64
     68   %tmp31 = bitcast float %B to i32
     69   %tmp32 = zext i32 %tmp31 to i64
     70   %tmp33 = shl i64 %tmp32, 32
     71   %ins35 = or i64 %tmp33, %tmp38
     72   %tmp43 = bitcast i64 %ins35 to <2 x float>
     73   ret <2 x float> %tmp43
     74   ; CHECK-LABEL: @test5(
     75   ; CHECK-NEXT: insertelement <2 x float> undef, float %B, i32 0
     76   ; CHECK-NEXT: insertelement <2 x float> {{.*}}, float %A, i32 1
     77   ; CHECK-NEXT: ret <2 x float>
     78 }
     79 
     80 define <2 x float> @test6(float %A){
     81   %tmp23 = bitcast float %A to i32              ; <i32> [#uses=1]
     82   %tmp24 = zext i32 %tmp23 to i64                 ; <i64> [#uses=1]
     83   %tmp25 = shl i64 %tmp24, 32                     ; <i64> [#uses=1]
     84   %mask20 = or i64 %tmp25, 1109917696             ; <i64> [#uses=1]
     85   %tmp35 = bitcast i64 %mask20 to <2 x float>     ; <<2 x float>> [#uses=1]
     86   ret <2 x float> %tmp35
     87 ; CHECK-LABEL: @test6(
     88 ; CHECK-NEXT: insertelement <2 x float> undef, float %A, i32 0
     89 ; CHECK-NEXT: insertelement <2 x float> {{.*}}, float 4.200000e+01, i32 1
     90 ; CHECK: ret
     91 }
     92