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[EarlyCSE] Add tests for select form of and/or (NFC)

This commit is contained in:
Juneyoung Lee 2020-12-28 04:04:07 +09:00
parent 0d05c1f40d
commit 0060f10134
1 changed files with 120 additions and 0 deletions
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120
llvm/test/Transforms/EarlyCSE/and_or.ll
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@ -55,6 +55,35 @@ if.false:
ret i32 %y
}
define i32 @test_02_select(i32 %a, i32 %b, i1 %c) {
; CHECK-LABEL: @test_02_select(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[COND:%.*]] = icmp slt i32 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[AND_COND:%.*]] = select i1 [[COND]], i1 [[C:%.*]], i1 false
; CHECK-NEXT: br i1 [[AND_COND]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]]
; CHECK: if.true:
; CHECK-NEXT: [[X:%.*]] = select i1 [[COND]], i32 [[A]], i32 [[B]]
; CHECK-NEXT: ret i32 [[X]]
; CHECK: if.false:
; CHECK-NEXT: [[Y:%.*]] = select i1 [[COND]], i32 [[A]], i32 [[B]]
; CHECK-NEXT: ret i32 [[Y]]
;
entry:
%cond = icmp slt i32 %a, %b
%and.cond = select i1 %cond, i1 %c, i1 false
br i1 %and.cond, label %if.true, label %if.false
if.true:
%cond2 = icmp slt i32 %a, %b
%x = select i1 %cond2, i32 %a, i32 %b
ret i32 %x
if.false:
%cond3 = icmp slt i32 %a, %b
%y = select i1 %cond3, i32 %a, i32 %b
ret i32 %y
}
define i32 @test_03(i32 %a, i32 %b, i1 %c) {
; CHECK-LABEL: @test_03(
; CHECK-NEXT: entry:
@ -83,6 +112,35 @@ if.false:
ret i32 %y
}
define i32 @test_03_select(i32 %a, i32 %b, i1 %c) {
; CHECK-LABEL: @test_03_select(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[COND:%.*]] = icmp slt i32 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[COND]], i1 true, i1 [[C:%.*]]
; CHECK-NEXT: br i1 [[OR_COND]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]]
; CHECK: if.true:
; CHECK-NEXT: [[X:%.*]] = select i1 [[COND]], i32 [[A]], i32 [[B]]
; CHECK-NEXT: ret i32 [[X]]
; CHECK: if.false:
; CHECK-NEXT: [[Y:%.*]] = select i1 [[COND]], i32 [[A]], i32 [[B]]
; CHECK-NEXT: ret i32 [[Y]]
;
entry:
%cond = icmp slt i32 %a, %b
%or.cond = select i1 %cond, i1 true, i1 %c
br i1 %or.cond, label %if.true, label %if.false
if.true:
%cond2 = icmp slt i32 %a, %b
%x = select i1 %cond2, i32 %a, i32 %b
ret i32 %x
if.false:
%cond3 = icmp slt i32 %a, %b
%y = select i1 %cond3, i32 %a, i32 %b
ret i32 %y
}
define i32 @test_04(i32 %a, i32 %b, i1 %c1, i1 %c2) {
; CHECK-LABEL: @test_04(
; CHECK-NEXT: entry:
@ -113,6 +171,37 @@ if.false:
ret i32 %y
}
define i32 @test_04_select(i32 %a, i32 %b, i1 %c1, i1 %c2) {
; CHECK-LABEL: @test_04_select(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[COND:%.*]] = icmp slt i32 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[AND_COND1:%.*]] = select i1 [[COND]], i1 [[C1:%.*]], i1 false
; CHECK-NEXT: [[AND_COND2:%.*]] = select i1 [[AND_COND1]], i1 [[C2:%.*]], i1 false
; CHECK-NEXT: br i1 [[AND_COND2]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]]
; CHECK: if.true:
; CHECK-NEXT: [[X:%.*]] = select i1 [[COND]], i32 [[A]], i32 [[B]]
; CHECK-NEXT: ret i32 [[X]]
; CHECK: if.false:
; CHECK-NEXT: [[Y:%.*]] = select i1 [[COND]], i32 [[A]], i32 [[B]]
; CHECK-NEXT: ret i32 [[Y]]
;
entry:
%cond = icmp slt i32 %a, %b
%and.cond1 = select i1 %cond, i1 %c1, i1 false
%and.cond2 = select i1 %and.cond1, i1 %c2, i1 false
br i1 %and.cond2, label %if.true, label %if.false
if.true:
%cond2 = icmp slt i32 %a, %b
%x = select i1 %cond2, i32 %a, i32 %b
ret i32 %x
if.false:
%cond3 = icmp slt i32 %a, %b
%y = select i1 %cond3, i32 %a, i32 %b
ret i32 %y
}
define i32 @test_05(i32 %a, i32 %b, i1 %c1, i1 %c2) {
; CHECK-LABEL: @test_05(
; CHECK-NEXT: entry:
@ -142,3 +231,34 @@ if.false:
%y = select i1 %cond3, i32 %a, i32 %b
ret i32 %y
}
define i32 @test_05_select(i32 %a, i32 %b, i1 %c1, i1 %c2) {
; CHECK-LABEL: @test_05_select(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[COND:%.*]] = icmp slt i32 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[OR_COND1:%.*]] = select i1 [[COND]], i1 true, i1 [[C1:%.*]]
; CHECK-NEXT: [[OR_COND2:%.*]] = select i1 [[OR_COND1]], i1 true, i1 [[C2:%.*]]
; CHECK-NEXT: br i1 [[OR_COND2]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]]
; CHECK: if.true:
; CHECK-NEXT: [[X:%.*]] = select i1 [[COND]], i32 [[A]], i32 [[B]]
; CHECK-NEXT: ret i32 [[X]]
; CHECK: if.false:
; CHECK-NEXT: [[Y:%.*]] = select i1 [[COND]], i32 [[A]], i32 [[B]]
; CHECK-NEXT: ret i32 [[Y]]
;
entry:
%cond = icmp slt i32 %a, %b
%or.cond1 = select i1 %cond, i1 true, i1 %c1
%or.cond2 = select i1 %or.cond1, i1 true, i1 %c2
br i1 %or.cond2, label %if.true, label %if.false
if.true:
%cond2 = icmp slt i32 %a, %b
%x = select i1 %cond2, i32 %a, i32 %b
ret i32 %x
if.false:
%cond3 = icmp slt i32 %a, %b
%y = select i1 %cond3, i32 %a, i32 %b
ret i32 %y
}