diff test/Transforms/InstCombine/apint-and.ll @ 121:803732b1fca8

LLVM 5.0
author kono
date Fri, 27 Oct 2017 17:07:41 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/Transforms/InstCombine/apint-and.ll	Fri Oct 27 17:07:41 2017 +0900
@@ -0,0 +1,126 @@
+; RUN: opt < %s -instcombine -S | FileCheck %s
+
+; FIXME: Some of these tests belong in InstSimplify.
+
+; Integer BitWidth <= 64 && BitWidth % 8 != 0.
+
+define i39 @test0(i39 %A) {
+; CHECK-LABEL: @test0(
+; CHECK-NEXT:    ret i39 0
+;
+  %B = and i39 %A, 0 ; zero result
+  ret i39 %B
+}
+
+define i15 @test2(i15 %x) {
+; CHECK-LABEL: @test2(
+; CHECK-NEXT:    ret i15 %x
+;
+  %tmp.2 = and i15 %x, -1 ; noop
+  ret i15 %tmp.2
+}
+
+define i23 @test3(i23 %x) {
+; CHECK-LABEL: @test3(
+; CHECK-NEXT:    ret i23 0
+;
+  %tmp.0 = and i23 %x, 127
+  %tmp.2 = and i23 %tmp.0, 128
+  ret i23 %tmp.2
+}
+
+define i1 @test4(i37 %x) {
+; CHECK-LABEL: @test4(
+; CHECK-NEXT:    [[B:%.*]] = icmp ugt i37 %x, 2147483647
+; CHECK-NEXT:    ret i1 [[B]]
+;
+  %A = and i37 %x, -2147483648
+  %B = icmp ne i37 %A, 0
+  ret i1 %B
+}
+
+define i7 @test5(i7 %A, i7* %P) {
+; CHECK-LABEL: @test5(
+; CHECK-NEXT:    [[B:%.*]] = or i7 %A, 3
+; CHECK-NEXT:    [[C:%.*]] = xor i7 [[B]], 12
+; CHECK-NEXT:    store i7 [[C]], i7* %P, align 1
+; CHECK-NEXT:    ret i7 3
+;
+  %B = or i7 %A, 3
+  %C = xor i7 %B, 12
+  store i7 %C, i7* %P
+  %r = and i7 %C, 3
+  ret i7 %r
+}
+
+define i47 @test7(i47 %A) {
+; CHECK-LABEL: @test7(
+; CHECK-NEXT:    [[TMP1:%.*]] = lshr i47 %A, 39
+; CHECK-NEXT:    ret i47 [[TMP1]]
+;
+  %X = ashr i47 %A, 39 ;; sign extend
+  %C1 = and i47 %X, 255
+  ret i47 %C1
+}
+
+; Integer BitWidth > 64 && BitWidth <= 1024.
+
+define i999 @test8(i999 %A) {
+; CHECK-LABEL: @test8(
+; CHECK-NEXT:    ret i999 0
+;
+  %B = and i999 %A, 0 ; zero result
+  ret i999 %B
+}
+
+define i1005 @test9(i1005 %x) {
+; CHECK-LABEL: @test9(
+; CHECK-NEXT:    ret i1005 %x
+;
+  %tmp.2 = and i1005 %x, -1 ; noop
+  ret i1005 %tmp.2
+}
+
+define i123 @test10(i123 %x) {
+; CHECK-LABEL: @test10(
+; CHECK-NEXT:    ret i123 0
+;
+  %tmp.0 = and i123 %x, 127
+  %tmp.2 = and i123 %tmp.0, 128
+  ret i123 %tmp.2
+}
+
+define i1 @test11(i737 %x) {
+; CHECK-LABEL: @test11(
+; CHECK-NEXT:    [[B:%.*]] = icmp ugt i737 %x, 2147483647
+; CHECK-NEXT:    ret i1 [[B]]
+;
+  %A = and i737 %x, -2147483648
+  %B = icmp ne i737 %A, 0
+  ret i1 %B
+}
+
+define i117 @test12(i117 %A, i117* %P) {
+; CHECK-LABEL: @test12(
+; CHECK-NEXT:    [[B:%.*]] = or i117 %A, 3
+; CHECK-NEXT:    [[C:%.*]] = xor i117 [[B]], 12
+; CHECK-NEXT:    store i117 [[C]], i117* %P, align 4
+; CHECK-NEXT:    ret i117 3
+;
+  %B = or i117 %A, 3
+  %C = xor i117 %B, 12
+  store i117 %C, i117* %P
+  %r = and i117 %C, 3
+  ret i117 %r
+}
+
+define i1024 @test13(i1024 %A) {
+; CHECK-LABEL: @test13(
+; CHECK-NEXT:    [[TMP1:%.*]] = lshr i1024 %A, 1016
+; CHECK-NEXT:    ret i1024 [[TMP1]]
+;
+  %X = ashr i1024 %A, 1016 ;; sign extend
+  %C1 = and i1024 %X, 255
+  ret i1024 %C1
+}
+