88 lines
2.8 KiB
LLVM
88 lines
2.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -passes='require<profile-summary>,function(codegenprepare)' -mtriple=riscv32 %s \
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; RUN: | FileCheck --check-prefixes=CHECK,NOZBS %s
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; RUN: opt -S -passes='require<profile-summary>,function(codegenprepare)' -mtriple=riscv32 -mattr=+zbs %s \
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; RUN: | FileCheck --check-prefixes=CHECK,ZBS %s
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; RUN: opt -S -passes='require<profile-summary>,function(codegenprepare)' -mtriple=riscv64 %s \
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; RUN: | FileCheck --check-prefixes=CHECK,NOZBS %s
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; RUN: opt -S -passes='require<profile-summary>,function(codegenprepare)' -mtriple=riscv64 -mattr=zbs %s \
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; RUN: | FileCheck --check-prefixes=CHECK,ZBS %s
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@A = global i32 zeroinitializer
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; And should be sunk when Zbs is present and the mask doesn't fit in ANDI's
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; immediate.
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define i32 @and_sink1(i32 %a, i1 %c) {
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; NOZBS-LABEL: @and_sink1(
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; NOZBS-NEXT: [[AND:%.*]] = and i32 [[A:%.*]], 2048
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; NOZBS-NEXT: br label [[BB0:%.*]]
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; NOZBS: bb0:
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; NOZBS-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0
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; NOZBS-NEXT: store i32 0, ptr @A, align 4
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; NOZBS-NEXT: br i1 [[CMP]], label [[BB0]], label [[BB2:%.*]]
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; NOZBS: bb2:
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; NOZBS-NEXT: ret i32 0
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;
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; ZBS-LABEL: @and_sink1(
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; ZBS-NEXT: br label [[BB0:%.*]]
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; ZBS: bb0:
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; ZBS-NEXT: [[TMP1:%.*]] = and i32 [[A:%.*]], 2048
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; ZBS-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP1]], 0
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; ZBS-NEXT: store i32 0, ptr @A, align 4
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; ZBS-NEXT: br i1 [[CMP]], label [[BB0]], label [[BB2:%.*]]
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; ZBS: bb2:
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; ZBS-NEXT: ret i32 0
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;
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%and = and i32 %a, 2048
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br label %bb0
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bb0:
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%cmp = icmp eq i32 %and, 0
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store i32 0, ptr @A
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br i1 %cmp, label %bb0, label %bb2
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bb2:
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ret i32 0
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}
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; Don't sink when the mask has more than 1 bit set.
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define i32 @and_sink2(i32 %a) {
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; CHECK-LABEL: @and_sink2(
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; CHECK-NEXT: [[AND:%.*]] = and i32 [[A:%.*]], 2049
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; CHECK-NEXT: br label [[BB0:%.*]]
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; CHECK: bb0:
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0
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; CHECK-NEXT: store i32 0, ptr @A, align 4
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; CHECK-NEXT: br i1 [[CMP]], label [[BB0]], label [[BB2:%.*]]
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; CHECK: bb2:
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; CHECK-NEXT: ret i32 0
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;
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%and = and i32 %a, 2049
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br label %bb0
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bb0:
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%cmp = icmp eq i32 %and, 0
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store i32 0, ptr @A
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br i1 %cmp, label %bb0, label %bb2
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bb2:
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ret i32 0
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}
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; Don't sink when the mask fits in ANDI's immediate.
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define i32 @and_sink3(i32 %a) {
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; CHECK-LABEL: @and_sink3(
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; CHECK-NEXT: [[AND:%.*]] = and i32 [[A:%.*]], 1024
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; CHECK-NEXT: br label [[BB0:%.*]]
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; CHECK: bb0:
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0
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; CHECK-NEXT: store i32 0, ptr @A, align 4
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; CHECK-NEXT: br i1 [[CMP]], label [[BB0]], label [[BB2:%.*]]
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; CHECK: bb2:
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; CHECK-NEXT: ret i32 0
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;
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%and = and i32 %a, 1024
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br label %bb0
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bb0:
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%cmp = icmp eq i32 %and, 0
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store i32 0, ptr @A
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br i1 %cmp, label %bb0, label %bb2
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bb2:
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ret i32 0
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}
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