57 lines
2.0 KiB
LLVM
57 lines
2.0 KiB
LLVM
; REQUIRES: asserts
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; RUN: llc %s -mtriple=lanai-unknown-unknown -debug-only=machine-scheduler -o /dev/null 2>&1 | FileCheck %s
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; Make sure there are no control dependencies between memory operations that
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; are trivially disjoint.
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; Function Attrs: norecurse nounwind uwtable
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define i32 @foo(i8* inreg nocapture %x) {
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entry:
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%0 = bitcast i8* %x to i32*
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store i32 1, i32* %0, align 4
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%arrayidx1 = getelementptr inbounds i8, i8* %x, i32 4
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%1 = bitcast i8* %arrayidx1 to i32*
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store i32 2, i32* %1, align 4
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%arrayidx2 = getelementptr inbounds i8, i8* %x, i32 12
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%2 = bitcast i8* %arrayidx2 to i32*
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%3 = load i32, i32* %2, align 4
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%arrayidx3 = getelementptr inbounds i8, i8* %x, i32 10
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%4 = bitcast i8* %arrayidx3 to i16*
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store i16 3, i16* %4, align 2
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%5 = bitcast i8* %arrayidx2 to i16*
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store i16 4, i16* %5, align 2
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%arrayidx5 = getelementptr inbounds i8, i8* %x, i32 14
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store i8 5, i8* %arrayidx5, align 1
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%arrayidx6 = getelementptr inbounds i8, i8* %x, i32 15
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store i8 6, i8* %arrayidx6, align 1
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%arrayidx7 = getelementptr inbounds i8, i8* %x, i32 16
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store i8 7, i8* %arrayidx7, align 1
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ret i32 %3
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}
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; CHECK-LABEL: foo
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; CHECK-LABEL: SU({{.*}}): SW_RI{{.*}}, 0,
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; CHECK: # preds left : 2
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; CHECK: # succs left : 0
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; CHECK-LABEL: SU({{.*}}): SW_RI{{.*}}, 4,
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; CHECK: # preds left : 2
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; CHECK: # succs left : 0
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; CHECK-LABEL: SU({{.*}}): %{{.*}} = LDW_RI{{.*}}, 12,
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; CHECK: # preds left : 1
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; CHECK: # succs left : 4
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; CHECK-LABEL: SU({{.*}}): STH_RI{{.*}}, 10,
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; CHECK: # preds left : 2
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; CHECK: # succs left : 0
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; CHECK-LABEL: SU({{.*}}): STH_RI{{.*}}, 12,
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; CHECK: # preds left : 3
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; CHECK: # succs left : 0
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; CHECK-LABEL: SU({{.*}}): STB_RI{{.*}}, 14,
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; CHECK: # preds left : 3
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; CHECK: # succs left : 0
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; CHECK-LABEL: SU({{.*}}): STB_RI{{.*}}, 15,
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; CHECK: # preds left : 3
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; CHECK: # succs left : 0
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; CHECK-LABEL: SU({{.*}}): STB_RI{{.*}}, 16,
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; CHECK: # preds left : 2
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; CHECK: # succs left : 0
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