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71 lines
1.9 KiB
LLVM
71 lines
1.9 KiB
LLVM
; All of these ands and shifts should be folded into rlwimi's
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; RUN: llc < %s -march=ppc32 | not grep and
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; RUN: llc < %s -march=ppc32 | grep rlwimi | count 8
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define i32 @test1(i32 %x, i32 %y) {
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entry:
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%tmp.3 = shl i32 %x, 16 ; <i32> [#uses=1]
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%tmp.7 = and i32 %y, 65535 ; <i32> [#uses=1]
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%tmp.9 = or i32 %tmp.7, %tmp.3 ; <i32> [#uses=1]
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ret i32 %tmp.9
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}
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define i32 @test2(i32 %x, i32 %y) {
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entry:
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%tmp.7 = and i32 %x, 65535 ; <i32> [#uses=1]
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%tmp.3 = shl i32 %y, 16 ; <i32> [#uses=1]
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%tmp.9 = or i32 %tmp.7, %tmp.3 ; <i32> [#uses=1]
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ret i32 %tmp.9
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}
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define i32 @test3(i32 %x, i32 %y) {
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entry:
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%tmp.3 = lshr i32 %x, 16 ; <i32> [#uses=1]
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%tmp.6 = and i32 %y, -65536 ; <i32> [#uses=1]
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%tmp.7 = or i32 %tmp.6, %tmp.3 ; <i32> [#uses=1]
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ret i32 %tmp.7
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}
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define i32 @test4(i32 %x, i32 %y) {
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entry:
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%tmp.6 = and i32 %x, -65536 ; <i32> [#uses=1]
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%tmp.3 = lshr i32 %y, 16 ; <i32> [#uses=1]
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%tmp.7 = or i32 %tmp.6, %tmp.3 ; <i32> [#uses=1]
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ret i32 %tmp.7
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}
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define i32 @test5(i32 %x, i32 %y) {
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entry:
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%tmp.3 = shl i32 %x, 1 ; <i32> [#uses=1]
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%tmp.4 = and i32 %tmp.3, -65536 ; <i32> [#uses=1]
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%tmp.7 = and i32 %y, 65535 ; <i32> [#uses=1]
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%tmp.9 = or i32 %tmp.4, %tmp.7 ; <i32> [#uses=1]
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ret i32 %tmp.9
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}
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define i32 @test6(i32 %x, i32 %y) {
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entry:
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%tmp.7 = and i32 %x, 65535 ; <i32> [#uses=1]
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%tmp.3 = shl i32 %y, 1 ; <i32> [#uses=1]
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%tmp.4 = and i32 %tmp.3, -65536 ; <i32> [#uses=1]
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%tmp.9 = or i32 %tmp.4, %tmp.7 ; <i32> [#uses=1]
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ret i32 %tmp.9
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}
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define i32 @test7(i32 %x, i32 %y) {
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entry:
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%tmp.2 = and i32 %x, -65536 ; <i32> [#uses=1]
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%tmp.5 = and i32 %y, 65535 ; <i32> [#uses=1]
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%tmp.7 = or i32 %tmp.5, %tmp.2 ; <i32> [#uses=1]
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ret i32 %tmp.7
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}
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define i32 @test8(i32 %bar) {
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entry:
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%tmp.3 = shl i32 %bar, 1 ; <i32> [#uses=1]
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%tmp.4 = and i32 %tmp.3, 2 ; <i32> [#uses=1]
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%tmp.6 = and i32 %bar, -3 ; <i32> [#uses=1]
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%tmp.7 = or i32 %tmp.4, %tmp.6 ; <i32> [#uses=1]
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ret i32 %tmp.7
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}
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