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; RUN: opt < %s -instcombine -S | FileCheck %s
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-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-apple-darwin10.0.0"
; Bitcasts between vectors and scalars are valid.
; PR4487
define i32 @test1(i64 %a) {
%t1 = bitcast i64 %a to <2 x i32>
%t2 = bitcast i64 %a to <2 x i32>
%t3 = xor <2 x i32> %t1, %t2
%t4 = extractelement <2 x i32> %t3, i32 0
ret i32 %t4
; CHECK: @test1
; CHECK: ret i32 0
}
; Optimize bitcasts that are extracting low element of vector. This happens
; because of SRoA.
; rdar://7892780
define float @test2(<2 x float> %A, <2 x i32> %B) {
%tmp28 = bitcast <2 x float> %A to i64 ; <i64> [#uses=2]
%tmp23 = trunc i64 %tmp28 to i32 ; <i32> [#uses=1]
%tmp24 = bitcast i32 %tmp23 to float ; <float> [#uses=1]
%tmp = bitcast <2 x i32> %B to i64
%tmp2 = trunc i64 %tmp to i32 ; <i32> [#uses=1]
%tmp4 = bitcast i32 %tmp2 to float ; <float> [#uses=1]
%add = fadd float %tmp24, %tmp4
ret float %add
; CHECK: @test2
; CHECK-NEXT: %tmp24 = extractelement <2 x float> %A, i32 0
; CHECK-NEXT: bitcast <2 x i32> %B to <2 x float>
; CHECK-NEXT: %tmp4 = extractelement <2 x float> {{.*}}, i32 0
; CHECK-NEXT: %add = fadd float %tmp24, %tmp4
; CHECK-NEXT: ret float %add
}
; Optimize bitcasts that are extracting other elements of a vector. This
; happens because of SRoA.
; rdar://7892780
define float @test3(<2 x float> %A, <2 x i64> %B) {
%tmp28 = bitcast <2 x float> %A to i64
%tmp29 = lshr i64 %tmp28, 32
%tmp23 = trunc i64 %tmp29 to i32
%tmp24 = bitcast i32 %tmp23 to float
%tmp = bitcast <2 x i64> %B to i128
%tmp1 = lshr i128 %tmp, 64
%tmp2 = trunc i128 %tmp1 to i32
%tmp4 = bitcast i32 %tmp2 to float
%add = fadd float %tmp24, %tmp4
ret float %add
; CHECK: @test3
; CHECK-NEXT: %tmp24 = extractelement <2 x float> %A, i32 1
; CHECK-NEXT: bitcast <2 x i64> %B to <4 x float>
; CHECK-NEXT: %tmp4 = extractelement <4 x float> {{.*}}, i32 2
; CHECK-NEXT: %add = fadd float %tmp24, %tmp4
; CHECK-NEXT: ret float %add
}
define <2 x i32> @test4(i32 %A, i32 %B){
%tmp38 = zext i32 %A to i64
%tmp32 = zext i32 %B to i64
%tmp33 = shl i64 %tmp32, 32
%ins35 = or i64 %tmp33, %tmp38
%tmp43 = bitcast i64 %ins35 to <2 x i32>
ret <2 x i32> %tmp43
; CHECK: @test4
; CHECK-NEXT: insertelement <2 x i32> undef, i32 %A, i32 0
; CHECK-NEXT: insertelement <2 x i32> {{.*}}, i32 %B, i32 1
; CHECK-NEXT: ret <2 x i32>
}
; rdar://8360454
define <2 x float> @test5(float %A, float %B) {
%tmp37 = bitcast float %A to i32
%tmp38 = zext i32 %tmp37 to i64
%tmp31 = bitcast float %B to i32
%tmp32 = zext i32 %tmp31 to i64
%tmp33 = shl i64 %tmp32, 32
%ins35 = or i64 %tmp33, %tmp38
%tmp43 = bitcast i64 %ins35 to <2 x float>
ret <2 x float> %tmp43
; CHECK: @test5
; CHECK-NEXT: insertelement <2 x float> undef, float %A, i32 0
; CHECK-NEXT: insertelement <2 x float> {{.*}}, float %B, i32 1
; CHECK-NEXT: ret <2 x float>
}
define <2 x float> @test6(float %A){
%tmp23 = bitcast float %A to i32 ; <i32> [#uses=1]
%tmp24 = zext i32 %tmp23 to i64 ; <i64> [#uses=1]
%tmp25 = shl i64 %tmp24, 32 ; <i64> [#uses=1]
%mask20 = or i64 %tmp25, 1109917696 ; <i64> [#uses=1]
%tmp35 = bitcast i64 %mask20 to <2 x float> ; <<2 x float>> [#uses=1]
ret <2 x float> %tmp35
; CHECK: @test6
; CHECK-NEXT: insertelement <2 x float> <float 4.200000e+01, float undef>, float %A, i32 1
; CHECK: ret
}
define i64 @ISPC0(i64 %in) {
%out = and i64 %in, xor (i64 bitcast (<4 x i16> <i16 -1, i16 -1, i16 -1, i16 -1> to i64), i64 -1)
ret i64 %out
; CHECK: @ISPC0
; CHECK: ret i64 0
}
define i64 @Vec2(i64 %in) {
%out = and i64 %in, xor (i64 bitcast (<4 x i16> <i16 0, i16 0, i16 0, i16 0> to i64), i64 0)
ret i64 %out
; CHECK: @Vec2
; CHECK: ret i64 0
}
define i64 @All11(i64 %in) {
%out = and i64 %in, xor (i64 bitcast (<2 x float> bitcast (i64 -1 to <2 x float>) to i64), i64 -1)
ret i64 %out
; CHECK: @All11
; CHECK: ret i64 0
}
define i32 @All111(i32 %in) {
%out = and i32 %in, xor (i32 bitcast (<1 x float> bitcast (i32 -1 to <1 x float>) to i32), i32 -1)
ret i32 %out
; CHECK: @All111
; CHECK: ret i32 0
}
define <2 x i16> @BitcastInsert(i32 %a) {
%v = insertelement <1 x i32> undef, i32 %a, i32 0
%r = bitcast <1 x i32> %v to <2 x i16>
ret <2 x i16> %r
; CHECK: @BitcastInsert
; CHECK: bitcast i32 %a to <2 x i16>
}
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