diff options
Diffstat (limited to 'llvm/test/Transforms/CorrelatedValuePropagation/range.ll')
| -rw-r--r-- | llvm/test/Transforms/CorrelatedValuePropagation/range.ll | 86 |
1 files changed, 75 insertions, 11 deletions
diff --git a/llvm/test/Transforms/CorrelatedValuePropagation/range.ll b/llvm/test/Transforms/CorrelatedValuePropagation/range.ll index cc66cbe7fce6..ce1b591218d1 100644 --- a/llvm/test/Transforms/CorrelatedValuePropagation/range.ll +++ b/llvm/test/Transforms/CorrelatedValuePropagation/range.ll @@ -102,9 +102,9 @@ if.end8: define i32 @test4(i32 %c) nounwind { ; CHECK-LABEL: @test4( ; CHECK-NEXT: switch i32 [[C:%.*]], label [[SW_DEFAULT:%.*]] [ -; CHECK-NEXT: i32 1, label [[SW_BB:%.*]] -; CHECK-NEXT: i32 2, label [[SW_BB]] -; CHECK-NEXT: i32 4, label [[SW_BB]] +; CHECK-NEXT: i32 1, label [[SW_BB:%.*]] +; CHECK-NEXT: i32 2, label [[SW_BB]] +; CHECK-NEXT: i32 4, label [[SW_BB]] ; CHECK-NEXT: ] ; CHECK: sw.bb: ; CHECK-NEXT: br i1 true, label [[IF_THEN:%.*]], label [[IF_END:%.*]] @@ -207,8 +207,8 @@ define i1 @test7(i32 %c) nounwind { ; CHECK-LABEL: @test7( ; CHECK-NEXT: entry: ; CHECK-NEXT: switch i32 [[C:%.*]], label [[SW_DEFAULT:%.*]] [ -; CHECK-NEXT: i32 6, label [[SW_BB:%.*]] -; CHECK-NEXT: i32 7, label [[SW_BB]] +; CHECK-NEXT: i32 6, label [[SW_BB:%.*]] +; CHECK-NEXT: i32 7, label [[SW_BB]] ; CHECK-NEXT: ] ; CHECK: sw.bb: ; CHECK-NEXT: ret i1 true @@ -790,8 +790,8 @@ define i32 @test18(i8 %a) { ; CHECK-NEXT: br label [[DISPATCH:%.*]] ; CHECK: dispatch: ; CHECK-NEXT: switch i8 [[A]], label [[DISPATCH]] [ -; CHECK-NEXT: i8 93, label [[TARGET93:%.*]] -; CHECK-NEXT: i8 -111, label [[DISPATCH]] +; CHECK-NEXT: i8 93, label [[TARGET93:%.*]] +; CHECK-NEXT: i8 -111, label [[DISPATCH]] ; CHECK-NEXT: ] ; CHECK: target93: ; CHECK-NEXT: ret i32 93 @@ -817,8 +817,8 @@ define i8 @test19(i8 %a) { ; CHECK-NEXT: br label [[DISPATCH:%.*]] ; CHECK: dispatch: ; CHECK-NEXT: switch i8 [[A]], label [[DISPATCH]] [ -; CHECK-NEXT: i8 93, label [[TARGET93:%.*]] -; CHECK-NEXT: i8 -111, label [[DISPATCH]] +; CHECK-NEXT: i8 93, label [[TARGET93:%.*]] +; CHECK-NEXT: i8 -111, label [[DISPATCH]] ; CHECK-NEXT: ] ; CHECK: target93: ; CHECK-NEXT: ret i8 96 @@ -846,8 +846,8 @@ define i1 @test20(i64 %a) { ; CHECK-NEXT: br label [[DISPATCH:%.*]] ; CHECK: dispatch: ; CHECK-NEXT: switch i64 [[A]], label [[DEFAULT:%.*]] [ -; CHECK-NEXT: i64 0, label [[EXIT2:%.*]] -; CHECK-NEXT: i64 -2147483647, label [[EXIT2]] +; CHECK-NEXT: i64 0, label [[EXIT2:%.*]] +; CHECK-NEXT: i64 -2147483647, label [[EXIT2]] ; CHECK-NEXT: ] ; CHECK: default: ; CHECK-NEXT: [[C:%.*]] = icmp eq i64 [[B]], 0 @@ -1123,6 +1123,70 @@ else: ret i1 true } +define i1 @icmp_eq_range_attr(i8 range(i8 1, 0) %i) { +; CHECK-LABEL: @icmp_eq_range_attr( +; CHECK-NEXT: ret i1 false +; + %cmp = icmp eq i8 %i, 0 + ret i1 %cmp +} + +define i1 @neg_icmp_eq_range_attr(i8 range(i8 -1, 1) %i) { +; CHECK-LABEL: @neg_icmp_eq_range_attr( +; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[I:%.*]], 0 +; CHECK-NEXT: ret i1 [[CMP]] +; + %cmp = icmp eq i8 %i, 0 + ret i1 %cmp +} + +declare range(i8 1, 0) i8 @returns_non_zero_range_helper() +declare range(i8 -1, 1) i8 @returns_contain_zero_range_helper() + +define i1 @icmp_eq_range_return() { +; CHECK-LABEL: @icmp_eq_range_return( +; CHECK-NEXT: [[I:%.*]] = call i8 @returns_non_zero_range_helper() +; CHECK-NEXT: ret i1 false +; + %i = call i8 @returns_non_zero_range_helper() + %cmp = icmp eq i8 %i, 0 + ret i1 %cmp +} + +define i1 @neg_icmp_eq_range_return() { +; CHECK-LABEL: @neg_icmp_eq_range_return( +; CHECK-NEXT: [[I:%.*]] = call i8 @returns_contain_zero_range_helper() +; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[I]], 0 +; CHECK-NEXT: ret i1 [[CMP]] +; + %i = call i8 @returns_contain_zero_range_helper() + %cmp = icmp eq i8 %i, 0 + ret i1 %cmp +} + +declare i8 @returns_i8_helper() + +define i1 @icmp_eq_range_call() { +; CHECK-LABEL: @icmp_eq_range_call( +; CHECK-NEXT: [[I:%.*]] = call range(i8 1, 0) i8 @returns_i8_helper() +; CHECK-NEXT: ret i1 false +; + %i = call range(i8 1, 0) i8 @returns_i8_helper() + %cmp = icmp eq i8 %i, 0 + ret i1 %cmp +} + +define i1 @neg_icmp_eq_range_call() { +; CHECK-LABEL: @neg_icmp_eq_range_call( +; CHECK-NEXT: [[I:%.*]] = call range(i8 0, 11) i8 @returns_i8_helper() +; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[I]], 0 +; CHECK-NEXT: ret i1 [[CMP]] +; + %i = call range(i8 0, 11) i8 @returns_i8_helper() + %cmp = icmp eq i8 %i, 0 + ret i1 %cmp +} + declare i16 @llvm.ctlz.i16(i16, i1) declare i16 @llvm.cttz.i16(i16, i1) declare i16 @llvm.ctpop.i16(i16) |