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Diffstat (limited to 'llvm/test/Transforms/Reassociate/basictest.ll')
| -rw-r--r-- | llvm/test/Transforms/Reassociate/basictest.ll | 297 |
1 files changed, 0 insertions, 297 deletions
diff --git a/llvm/test/Transforms/Reassociate/basictest.ll b/llvm/test/Transforms/Reassociate/basictest.ll deleted file mode 100644 index 0a1722d439b..00000000000 --- a/llvm/test/Transforms/Reassociate/basictest.ll +++ /dev/null @@ -1,297 +0,0 @@ -; NOTE: Assertions have been autogenerated by utils/update_test_checks.py -; RUN: opt < %s -reassociate -gvn -instcombine -S | FileCheck %s -; RUN: opt < %s -passes='reassociate,gvn,instcombine' -S | FileCheck %s - -define i32 @test1(i32 %arg) { -; CHECK-LABEL: @test1( -; CHECK-NEXT: [[ARG_NEG:%.*]] = sub i32 0, [[ARG:%.*]] -; CHECK-NEXT: ret i32 [[ARG_NEG]] -; - %tmp1 = sub i32 -12, %arg - %tmp2 = add i32 %tmp1, 12 - ret i32 %tmp2 -} - -define i32 @test2(i32 %reg109, i32 %reg1111) { -; CHECK-LABEL: @test2( -; CHECK-NEXT: [[REG117:%.*]] = add i32 [[REG1111:%.*]], [[REG109:%.*]] -; CHECK-NEXT: ret i32 [[REG117]] -; - %reg115 = add i32 %reg109, -30 - %reg116 = add i32 %reg115, %reg1111 - %reg117 = add i32 %reg116, 30 - ret i32 %reg117 -} - -@e = external global i32 -@a = external global i32 -@b = external global i32 -@c = external global i32 -@f = external global i32 - -define void @test3() { -; CHECK-LABEL: @test3( -; CHECK-NEXT: [[A:%.*]] = load i32, i32* @a, align 4 -; CHECK-NEXT: [[B:%.*]] = load i32, i32* @b, align 4 -; CHECK-NEXT: [[C:%.*]] = load i32, i32* @c, align 4 -; CHECK-NEXT: [[T1:%.*]] = add i32 [[B]], [[A]] -; CHECK-NEXT: [[T2:%.*]] = add i32 [[T1]], [[C]] -; CHECK-NEXT: store i32 [[T2]], i32* @e, align 4 -; CHECK-NEXT: store i32 [[T2]], i32* @f, align 4 -; CHECK-NEXT: ret void -; - %A = load i32, i32* @a - %B = load i32, i32* @b - %C = load i32, i32* @c - %t1 = add i32 %A, %B - %t2 = add i32 %t1, %C - %t3 = add i32 %C, %A - %t4 = add i32 %t3, %B - ; e = (a+b)+c; - store i32 %t2, i32* @e - ; f = (a+c)+b - store i32 %t4, i32* @f - ret void -} - -define void @test4() { -; CHECK-LABEL: @test4( -; CHECK-NEXT: [[A:%.*]] = load i32, i32* @a, align 4 -; CHECK-NEXT: [[B:%.*]] = load i32, i32* @b, align 4 -; CHECK-NEXT: [[C:%.*]] = load i32, i32* @c, align 4 -; CHECK-NEXT: [[T1:%.*]] = add i32 [[B]], [[A]] -; CHECK-NEXT: [[T2:%.*]] = add i32 [[T1]], [[C]] -; CHECK-NEXT: store i32 [[T2]], i32* @e, align 4 -; CHECK-NEXT: store i32 [[T2]], i32* @f, align 4 -; CHECK-NEXT: ret void -; - %A = load i32, i32* @a - %B = load i32, i32* @b - %C = load i32, i32* @c - %t1 = add i32 %A, %B - %t2 = add i32 %t1, %C - %t3 = add i32 %C, %A - %t4 = add i32 %t3, %B - ; e = c+(a+b) - store i32 %t2, i32* @e - ; f = (c+a)+b - store i32 %t4, i32* @f - ret void -} - -define void @test5() { -; CHECK-LABEL: @test5( -; CHECK-NEXT: [[A:%.*]] = load i32, i32* @a, align 4 -; CHECK-NEXT: [[B:%.*]] = load i32, i32* @b, align 4 -; CHECK-NEXT: [[C:%.*]] = load i32, i32* @c, align 4 -; CHECK-NEXT: [[T1:%.*]] = add i32 [[B]], [[A]] -; CHECK-NEXT: [[T2:%.*]] = add i32 [[T1]], [[C]] -; CHECK-NEXT: store i32 [[T2]], i32* @e, align 4 -; CHECK-NEXT: store i32 [[T2]], i32* @f, align 4 -; CHECK-NEXT: ret void -; - %A = load i32, i32* @a - %B = load i32, i32* @b - %C = load i32, i32* @c - %t1 = add i32 %B, %A - %t2 = add i32 %t1, %C - %t3 = add i32 %C, %A - %t4 = add i32 %t3, %B - ; e = c+(b+a) - store i32 %t2, i32* @e - ; f = (c+a)+b - store i32 %t4, i32* @f - ret void -} - -define i32 @test6() { -; CHECK-LABEL: @test6( -; CHECK-NEXT: ret i32 0 -; - %tmp.0 = load i32, i32* @a - %tmp.1 = load i32, i32* @b - ; (a+b) - %tmp.2 = add i32 %tmp.0, %tmp.1 - %tmp.4 = load i32, i32* @c - ; (a+b)+c - %tmp.5 = add i32 %tmp.2, %tmp.4 - ; (a+c) - %tmp.8 = add i32 %tmp.0, %tmp.4 - ; (a+c)+b - %tmp.11 = add i32 %tmp.8, %tmp.1 - ; X ^ X = 0 - %RV = xor i32 %tmp.5, %tmp.11 - ret i32 %RV -} - -; This should be one add and two multiplies. -; A*A*B + A*C*A - -define i32 @test7(i32 %A, i32 %B, i32 %C) { -; CHECK-LABEL: @test7( -; CHECK-NEXT: [[REASS_ADD1:%.*]] = add i32 [[C:%.*]], [[B:%.*]] -; CHECK-NEXT: [[REASS_MUL2:%.*]] = mul i32 [[A:%.*]], [[A]] -; CHECK-NEXT: [[REASS_MUL:%.*]] = mul i32 [[REASS_MUL2]], [[REASS_ADD1]] -; CHECK-NEXT: ret i32 [[REASS_MUL]] -; - %aa = mul i32 %A, %A - %aab = mul i32 %aa, %B - %ac = mul i32 %A, %C - %aac = mul i32 %ac, %A - %r = add i32 %aab, %aac - ret i32 %r -} - -define i32 @test8(i32 %X, i32 %Y, i32 %Z) { -; CHECK-LABEL: @test8( -; CHECK-NEXT: [[A:%.*]] = mul i32 [[Y:%.*]], [[X:%.*]] -; CHECK-NEXT: [[C:%.*]] = sub i32 [[Z:%.*]], [[A]] -; CHECK-NEXT: ret i32 [[C]] -; - %A = sub i32 0, %X - %B = mul i32 %A, %Y - ; (-X)*Y + Z -> Z-X*Y - %C = add i32 %B, %Z - ret i32 %C -} - -; PR5458 - -define i32 @test9(i32 %X) { -; CHECK-LABEL: @test9( -; CHECK-NEXT: [[FACTOR:%.*]] = mul i32 [[X:%.*]], 94 -; CHECK-NEXT: ret i32 [[FACTOR]] -; - %Y = mul i32 %X, 47 - %Z = add i32 %Y, %Y - ret i32 %Z -} - -define i32 @test10(i32 %X) { -; CHECK-LABEL: @test10( -; CHECK-NEXT: [[FACTOR:%.*]] = mul i32 [[X:%.*]], 3 -; CHECK-NEXT: ret i32 [[FACTOR]] -; - %Y = add i32 %X ,%X - %Z = add i32 %Y, %X - ret i32 %Z -} - -define i32 @test11(i32 %W) { -; CHECK-LABEL: @test11( -; CHECK-NEXT: [[FACTOR:%.*]] = mul i32 [[W:%.*]], 381 -; CHECK-NEXT: ret i32 [[FACTOR]] -; - %X = mul i32 %W, 127 - %Y = add i32 %X ,%X - %Z = add i32 %Y, %X - ret i32 %Z -} - -declare void @mumble(i32) - -define i32 @test12(i32 %X) { -; CHECK-LABEL: @test12( -; CHECK-NEXT: [[X_NEG:%.*]] = sub i32 0, [[X:%.*]] -; CHECK-NEXT: call void @mumble(i32 [[X_NEG]]) -; CHECK-NEXT: [[FACTOR:%.*]] = mul i32 [[X]], -3 -; CHECK-NEXT: [[Z:%.*]] = add i32 [[FACTOR]], 6 -; CHECK-NEXT: ret i32 [[Z]] -; - %X.neg = sub nsw nuw i32 0, %X - call void @mumble(i32 %X.neg) - %A = sub i32 1, %X - %B = sub i32 2, %X - %C = sub i32 3, %X - %Y = add i32 %A ,%B - %Z = add i32 %Y, %C - ret i32 %Z -} - -define i32 @test13(i32 %X1, i32 %X2, i32 %X3) { -; CHECK-LABEL: @test13( -; CHECK-NEXT: [[REASS_ADD:%.*]] = sub i32 [[X3:%.*]], [[X2:%.*]] -; CHECK-NEXT: [[REASS_MUL:%.*]] = mul i32 [[REASS_ADD]], [[X1:%.*]] -; CHECK-NEXT: ret i32 [[REASS_MUL]] -; - %A = sub i32 0, %X1 - %B = mul i32 %A, %X2 ; -X1*X2 - %C = mul i32 %X1, %X3 ; X1*X3 - %D = add i32 %B, %C ; -X1*X2 + X1*X3 -> X1*(X3-X2) - ret i32 %D -} - -; PR5359 - -define i32 @test14(i32 %X1, i32 %X2) { -; CHECK-LABEL: @test14( -; CHECK-NEXT: [[REASS_ADD:%.*]] = sub i32 [[X1:%.*]], [[X2:%.*]] -; CHECK-NEXT: [[REASS_MUL:%.*]] = mul i32 [[REASS_ADD]], 47 -; CHECK-NEXT: ret i32 [[REASS_MUL]] -; - %B = mul i32 %X1, 47 ; X1*47 - %C = mul i32 %X2, -47 ; X2*-47 - %D = add i32 %B, %C ; X1*47 + X2*-47 -> 47*(X1-X2) - ret i32 %D -} - -; Do not reassociate expressions of type i1 - -define i32 @test15(i32 %X1, i32 %X2, i32 %X3) { -; CHECK-LABEL: @test15( -; CHECK-NEXT: [[A:%.*]] = icmp ne i32 [[X1:%.*]], 0 -; CHECK-NEXT: [[B:%.*]] = icmp slt i32 [[X2:%.*]], [[X3:%.*]] -; CHECK-NEXT: [[C:%.*]] = and i1 [[A]], [[B]] -; CHECK-NEXT: [[D:%.*]] = select i1 [[C]], i32 [[X1]], i32 0 -; CHECK-NEXT: ret i32 [[D]] -; - %A = icmp ne i32 %X1, 0 - %B = icmp slt i32 %X2, %X3 - %C = and i1 %A, %B - %D = select i1 %C, i32 %X1, i32 0 - ret i32 %D -} - -; PR30256 - previously this asserted. - -define i64 @test16(i1 %cmp, i64 %a, i64 %b) { -; CHECK-LABEL: @test16( -; CHECK-NEXT: entry: -; CHECK-NEXT: br i1 [[CMP:%.*]], label [[IF_THEN:%.*]], label [[IF_END:%.*]] -; CHECK: if.then: -; CHECK-NEXT: [[FACTOR:%.*]] = mul i64 [[A:%.*]], -4 -; CHECK-NEXT: [[ADD2:%.*]] = add i64 [[FACTOR]], [[B:%.*]] -; CHECK-NEXT: ret i64 [[ADD2]] -; CHECK: if.end: -; CHECK-NEXT: ret i64 0 -; -entry: - %shl = shl i64 %a, 1 - %shl.neg = sub i64 0, %shl - br i1 %cmp, label %if.then, label %if.end - -if.then: - %add1 = add i64 %shl.neg, %shl.neg - %add2 = add i64 %add1, %b - ret i64 %add2 - -if.end: - ret i64 0 -} - -define i32 @test17(i32 %X1, i32 %X2, i32 %X3, i32 %X4) { -; CHECK-LABEL: @test17( -; CHECK-NEXT: [[A:%.*]] = mul i32 [[X4:%.*]], [[X3:%.*]] -; CHECK-NEXT: [[C:%.*]] = mul i32 [[A]], [[X1:%.*]] -; CHECK-NEXT: [[D:%.*]] = mul i32 [[A]], [[X2:%.*]] -; CHECK-NEXT: [[E:%.*]] = xor i32 [[C]], [[D]] -; CHECK-NEXT: ret i32 [[E]] -; - %A = mul i32 %X3, %X1 - %B = mul i32 %X3, %X2 - %C = mul i32 %A, %X4 - %D = mul i32 %B, %X4 - %E = xor i32 %C, %D - ret i32 %E -} - |
