derek.holloway
7502bf64a4
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70 lines
2.6 KiB
LLVM
70 lines
2.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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; RUN: opt -S -passes=newgvn < %s | FileCheck %s
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; Make sure attributes in function calls are intersected correctly.
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define i1 @bucket(i32 noundef %x) {
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; CHECK-LABEL: define i1 @bucket(
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; CHECK-SAME: i32 noundef [[X:%.*]]) {
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; CHECK-NEXT: [[CMP1:%.*]] = icmp sgt i32 [[X]], 0
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; CHECK-NEXT: [[CTPOP1:%.*]] = tail call range(i32 0, 33) i32 @llvm.ctpop.i32(i32 [[X]])
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; CHECK-NEXT: [[CMP2:%.*]] = icmp samesign ult i32 [[CTPOP1]], 2
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; CHECK-NEXT: [[COND:%.*]] = select i1 [[CMP1]], i1 [[CMP2]], i1 false
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; CHECK-NEXT: br i1 [[COND]], label %[[IF_THEN:.*]], label %[[IF_ELSE:.*]]
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; CHECK: [[IF_ELSE]]:
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; CHECK-NEXT: [[RES:%.*]] = icmp eq i32 [[CTPOP1]], 1
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; CHECK-NEXT: ret i1 [[RES]]
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; CHECK: [[IF_THEN]]:
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; CHECK-NEXT: ret i1 false
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;
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%cmp1 = icmp sgt i32 %x, 0
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%ctpop1 = tail call range(i32 1, 32) i32 @llvm.ctpop.i32(i32 %x)
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%cmp2 = icmp samesign ult i32 %ctpop1, 2
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%cond = select i1 %cmp1, i1 %cmp2, i1 false
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br i1 %cond, label %if.then, label %if.else
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if.else:
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%ctpop2 = tail call range(i32 0, 33) i32 @llvm.ctpop.i32(i32 %x)
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%res = icmp eq i32 %ctpop2, 1
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ret i1 %res
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if.then:
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ret i1 false
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}
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; Make sure we don't merge these two users of the incompatible call pair.
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define i1 @bucket2(i32 noundef %x) {
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; CHECK-LABEL: define i1 @bucket2(
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; CHECK-SAME: i32 noundef [[X:%.*]]) {
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; CHECK-NEXT: [[CMP1:%.*]] = icmp sgt i32 [[X]], 0
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; CHECK-NEXT: [[CTPOP1:%.*]] = tail call range(i32 1, 32) i32 @llvm.ctpop.i32(i32 zeroext [[X]])
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; CHECK-NEXT: [[CTPOP1INC:%.*]] = add i32 [[CTPOP1]], 1
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; CHECK-NEXT: [[CMP2:%.*]] = icmp samesign ult i32 [[CTPOP1INC]], 3
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; CHECK-NEXT: [[COND:%.*]] = select i1 [[CMP1]], i1 [[CMP2]], i1 false
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; CHECK-NEXT: br i1 [[COND]], label %[[IF_THEN:.*]], label %[[IF_ELSE:.*]]
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; CHECK: [[IF_ELSE]]:
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; CHECK-NEXT: [[CTPOP2:%.*]] = tail call range(i32 0, 33) i32 @llvm.ctpop.i32(i32 [[X]])
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; CHECK-NEXT: [[CTPOP2INC:%.*]] = add i32 [[CTPOP2]], 1
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; CHECK-NEXT: [[RES:%.*]] = icmp eq i32 [[CTPOP2INC]], 2
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; CHECK-NEXT: ret i1 [[RES]]
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; CHECK: [[IF_THEN]]:
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; CHECK-NEXT: ret i1 false
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;
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%cmp1 = icmp sgt i32 %x, 0
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%ctpop1 = tail call range(i32 1, 32) i32 @llvm.ctpop.i32(i32 zeroext %x)
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%ctpop1inc = add i32 %ctpop1, 1
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%cmp2 = icmp samesign ult i32 %ctpop1inc, 3
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%cond = select i1 %cmp1, i1 %cmp2, i1 false
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br i1 %cond, label %if.then, label %if.else
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if.else:
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%ctpop2 = tail call range(i32 0, 33) i32 @llvm.ctpop.i32(i32 %x)
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%ctpop2inc = add i32 %ctpop2, 1
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%res = icmp eq i32 %ctpop2inc, 2
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ret i1 %res
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if.then:
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ret i1 false
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}
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