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[NFC][CVP] Some tests for mul no-wrap deduction

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375285 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Roman Lebedev
2019-10-18 20:36:19 +00:00
parent 523325a26c
commit a82e2a53ab
1 changed files with 175 additions and 0 deletions
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test/Transforms/CorrelatedValuePropagation/mul.ll
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -correlated-propagation -cvp-dont-add-nowrap-flags=false -S | FileCheck %s
define i8 @test0(i8 %a) {
; CHECK-LABEL: @test0(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP:%.*]] = icmp ult i8 [[A:%.*]], 3
; CHECK-NEXT: br i1 [[CMP]], label [[BB:%.*]], label [[EXIT:%.*]]
; CHECK: bb:
; CHECK-NEXT: [[MUL:%.*]] = mul i8 [[A]], 50
; CHECK-NEXT: ret i8 [[MUL]]
; CHECK: exit:
; CHECK-NEXT: ret i8 0
;
entry:
%cmp = icmp ult i8 %a, 3
br i1 %cmp, label %bb, label %exit
bb:
%mul = mul i8 %a, 50
ret i8 %mul
exit:
ret i8 0
}
define i8 @test1(i8 %a) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP:%.*]] = icmp ult i8 [[A:%.*]], 4
; CHECK-NEXT: br i1 [[CMP]], label [[BB:%.*]], label [[EXIT:%.*]]
; CHECK: bb:
; CHECK-NEXT: [[MUL:%.*]] = mul i8 [[A]], 50
; CHECK-NEXT: ret i8 [[MUL]]
; CHECK: exit:
; CHECK-NEXT: ret i8 0
;
entry:
%cmp = icmp ult i8 %a, 4
br i1 %cmp, label %bb, label %exit
bb:
%mul = mul i8 %a, 50
ret i8 %mul
exit:
ret i8 0
}
define i8 @test2(i8 %a) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP:%.*]] = icmp ult i8 [[A:%.*]], 6
; CHECK-NEXT: br i1 [[CMP]], label [[BB:%.*]], label [[EXIT:%.*]]
; CHECK: bb:
; CHECK-NEXT: [[MUL:%.*]] = mul i8 [[A]], 50
; CHECK-NEXT: ret i8 [[MUL]]
; CHECK: exit:
; CHECK-NEXT: ret i8 0
;
entry:
%cmp = icmp ult i8 %a, 6
br i1 %cmp, label %bb, label %exit
bb:
%mul = mul i8 %a, 50
ret i8 %mul
exit:
ret i8 0
}
define i8 @test3(i8 %a) {
; CHECK-LABEL: @test3(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP:%.*]] = icmp ult i8 [[A:%.*]], 7
; CHECK-NEXT: br i1 [[CMP]], label [[BB:%.*]], label [[EXIT:%.*]]
; CHECK: bb:
; CHECK-NEXT: [[MUL:%.*]] = mul i8 [[A]], 50
; CHECK-NEXT: ret i8 [[MUL]]
; CHECK: exit:
; CHECK-NEXT: ret i8 0
;
entry:
%cmp = icmp ult i8 %a, 7
br i1 %cmp, label %bb, label %exit
bb:
%mul = mul i8 %a, 50
ret i8 %mul
exit:
ret i8 0
}
define i8 @test4(i8 %a) {
; CHECK-LABEL: @test4(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i8 [[A:%.*]], 3
; CHECK-NEXT: [[CMP2:%.*]] = icmp sgt i8 [[A]], -3
; CHECK-NEXT: [[COND:%.*]] = and i1 [[CMP1]], [[CMP2]]
; CHECK-NEXT: br i1 [[COND]], label [[BB:%.*]], label [[EXIT:%.*]]
; CHECK: bb:
; CHECK-NEXT: [[MUL:%.*]] = mul i8 [[A]], 50
; CHECK-NEXT: ret i8 [[MUL]]
; CHECK: exit:
; CHECK-NEXT: ret i8 0
;
entry:
%cmp1 = icmp slt i8 %a, 3
%cmp2 = icmp sgt i8 %a, -3
%cond = and i1 %cmp1, %cmp2
br i1 %cond, label %bb, label %exit
bb:
%mul = mul i8 %a, 50
ret i8 %mul
exit:
ret i8 0
}
define i8 @test5(i8 %a) {
; CHECK-LABEL: @test5(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i8 [[A:%.*]], 3
; CHECK-NEXT: [[CMP2:%.*]] = icmp sgt i8 [[A]], -4
; CHECK-NEXT: [[COND:%.*]] = and i1 [[CMP1]], [[CMP2]]
; CHECK-NEXT: br i1 [[COND]], label [[BB:%.*]], label [[EXIT:%.*]]
; CHECK: bb:
; CHECK-NEXT: [[MUL:%.*]] = mul i8 [[A]], 50
; CHECK-NEXT: ret i8 [[MUL]]
; CHECK: exit:
; CHECK-NEXT: ret i8 0
;
entry:
%cmp1 = icmp slt i8 %a, 3
%cmp2 = icmp sgt i8 %a, -4
%cond = and i1 %cmp1, %cmp2
br i1 %cond, label %bb, label %exit
bb:
%mul = mul i8 %a, 50
ret i8 %mul
exit:
ret i8 0
}
define i8 @test6(i8 %a) {
; CHECK-LABEL: @test6(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i8 [[A:%.*]], 4
; CHECK-NEXT: [[CMP2:%.*]] = icmp sgt i8 [[A]], -3
; CHECK-NEXT: [[COND:%.*]] = and i1 [[CMP1]], [[CMP2]]
; CHECK-NEXT: br i1 [[COND]], label [[BB:%.*]], label [[EXIT:%.*]]
; CHECK: bb:
; CHECK-NEXT: [[MUL:%.*]] = mul i8 [[A]], 50
; CHECK-NEXT: ret i8 [[MUL]]
; CHECK: exit:
; CHECK-NEXT: ret i8 0
;
entry:
%cmp1 = icmp slt i8 %a, 4
%cmp2 = icmp sgt i8 %a, -3
%cond = and i1 %cmp1, %cmp2
br i1 %cond, label %bb, label %exit
bb:
%mul = mul i8 %a, 50
ret i8 %mul
exit:
ret i8 0
}