14da287e18
This patch adds a lot of additional tests, focusing on loops and GEP arithmetic. Some of the tests expose existing problems, which will be fixed soon.
165 lines
4.7 KiB
LLVM
165 lines
4.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -constraint-elimination -S %s | FileCheck %s
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declare void @use(i1)
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define i32 @test_and_ule(i32 %x, i32 %y, i32 %z, i32 %a) {
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; CHECK-LABEL: @test_and_ule(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C_1:%.*]] = icmp ule i32 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[C_2:%.*]] = icmp ule i32 [[Y]], [[Z:%.*]]
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; CHECK-NEXT: [[AND:%.*]] = and i1 [[C_1]], [[C_2]]
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; CHECK-NEXT: br i1 [[AND]], label [[BB1:%.*]], label [[EXIT:%.*]]
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; CHECK: bb1:
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; CHECK-NEXT: [[T_1:%.*]] = icmp ule i32 [[X]], [[Z]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[T_2:%.*]] = icmp ule i32 [[X]], [[Y]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[T_3:%.*]] = icmp ule i32 [[Y]], [[Z]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[C_3:%.*]] = icmp ule i32 [[X]], [[A:%.*]]
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; CHECK-NEXT: call void @use(i1 [[C_3]])
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; CHECK-NEXT: ret i32 10
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; CHECK: exit:
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; CHECK-NEXT: [[C_4:%.*]] = icmp ule i32 [[X]], [[Z]]
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; CHECK-NEXT: call void @use(i1 [[C_4]])
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; CHECK-NEXT: [[C_5:%.*]] = icmp ule i32 [[X]], [[A]]
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; CHECK-NEXT: call void @use(i1 [[C_5]])
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; CHECK-NEXT: [[C_6:%.*]] = icmp ule i32 [[X]], [[Y]]
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; CHECK-NEXT: call void @use(i1 [[C_6]])
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; CHECK-NEXT: [[C_7:%.*]] = icmp ule i32 [[Y]], [[Z]]
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; CHECK-NEXT: call void @use(i1 [[C_7]])
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; CHECK-NEXT: ret i32 20
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;
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entry:
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%c.1 = icmp ule i32 %x, %y
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%c.2 = icmp ule i32 %y, %z
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%and = and i1 %c.1, %c.2
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br i1 %and, label %bb1, label %exit
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bb1:
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%t.1 = icmp ule i32 %x, %z
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call void @use(i1 %t.1)
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%t.2 = icmp ule i32 %x, %y
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call void @use(i1 %t.2)
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%t.3 = icmp ule i32 %y, %z
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call void @use(i1 %t.3)
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%c.3 = icmp ule i32 %x, %a
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call void @use(i1 %c.3)
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ret i32 10
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exit:
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%c.4 = icmp ule i32 %x, %z
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call void @use(i1 %c.4)
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%c.5 = icmp ule i32 %x, %a
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call void @use(i1 %c.5)
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%c.6 = icmp ule i32 %x, %y
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call void @use(i1 %c.6)
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%c.7 = icmp ule i32 %y, %z
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call void @use(i1 %c.7)
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ret i32 20
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}
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; The result of test_and_ule and test_and_select_ule should be same
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define i32 @test_and_select_ule(i32 %x, i32 %y, i32 %z, i32 %a) {
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; CHECK-LABEL: @test_and_select_ule(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C_1:%.*]] = icmp ule i32 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[C_2:%.*]] = icmp ule i32 [[Y]], [[Z:%.*]]
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; CHECK-NEXT: [[AND:%.*]] = select i1 [[C_1]], i1 [[C_2]], i1 false
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; CHECK-NEXT: br i1 [[AND]], label [[BB1:%.*]], label [[EXIT:%.*]]
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; CHECK: bb1:
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; CHECK-NEXT: [[T_1:%.*]] = icmp ule i32 [[X]], [[Z]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[T_2:%.*]] = icmp ule i32 [[X]], [[Y]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[T_3:%.*]] = icmp ule i32 [[Y]], [[Z]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[C_3:%.*]] = icmp ule i32 [[X]], [[A:%.*]]
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; CHECK-NEXT: call void @use(i1 [[C_3]])
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; CHECK-NEXT: ret i32 10
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; CHECK: exit:
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; CHECK-NEXT: [[C_4:%.*]] = icmp ule i32 [[X]], [[Z]]
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; CHECK-NEXT: call void @use(i1 [[C_4]])
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; CHECK-NEXT: [[C_5:%.*]] = icmp ule i32 [[X]], [[A]]
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; CHECK-NEXT: call void @use(i1 [[C_5]])
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; CHECK-NEXT: [[C_6:%.*]] = icmp ule i32 [[X]], [[Y]]
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; CHECK-NEXT: call void @use(i1 [[C_6]])
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; CHECK-NEXT: [[C_7:%.*]] = icmp ule i32 [[Y]], [[Z]]
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; CHECK-NEXT: call void @use(i1 [[C_7]])
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; CHECK-NEXT: ret i32 20
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;
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entry:
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%c.1 = icmp ule i32 %x, %y
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%c.2 = icmp ule i32 %y, %z
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%and = select i1 %c.1, i1 %c.2, i1 false
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br i1 %and, label %bb1, label %exit
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bb1:
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%t.1 = icmp ule i32 %x, %z
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call void @use(i1 %t.1)
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%t.2 = icmp ule i32 %x, %y
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call void @use(i1 %t.2)
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%t.3 = icmp ule i32 %y, %z
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call void @use(i1 %t.3)
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%c.3 = icmp ule i32 %x, %a
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call void @use(i1 %c.3)
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ret i32 10
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exit:
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%c.4 = icmp ule i32 %x, %z
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call void @use(i1 %c.4)
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%c.5 = icmp ule i32 %x, %a
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call void @use(i1 %c.5)
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%c.6 = icmp ule i32 %x, %y
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call void @use(i1 %c.6)
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%c.7 = icmp ule i32 %y, %z
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call void @use(i1 %c.7)
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ret i32 20
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}
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define i4 @and_compare_undef(i16 %N, i16 %step) {
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; CHECK-LABEL: @and_compare_undef(
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; CHECK-NEXT: step.check:
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; CHECK-NEXT: [[STEP_POS:%.*]] = icmp uge i16 [[STEP:%.*]], 0
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; CHECK-NEXT: [[B1:%.*]] = add i16 undef, -1
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; CHECK-NEXT: [[STEP_ULT_N:%.*]] = icmp ult i16 [[B1]], [[N:%.*]]
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; CHECK-NEXT: [[AND_STEP:%.*]] = and i1 [[STEP_POS]], [[STEP_ULT_N]]
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; CHECK-NEXT: br i1 [[AND_STEP]], label [[PTR_CHECK:%.*]], label [[EXIT:%.*]]
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; CHECK: ptr.check:
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: ret i4 3
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;
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step.check:
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%step.pos = icmp uge i16 %step, 0
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%B1 = add i16 undef, -1
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%step.ult.N = icmp ult i16 %B1, %N
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%and.step = and i1 %step.pos, %step.ult.N
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br i1 %and.step, label %ptr.check, label %exit
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ptr.check:
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br label %exit
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exit:
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ret i4 3
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}
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