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b774834429
If storing multiple FP constants, some subset of the stores would be replaced with integers due to visit order, so MergeConsecutiveStores would only partially merge these. llvm-svn: 248169
29 lines
1.1 KiB
LLVM
29 lines
1.1 KiB
LLVM
; RUN: llc -march=ppc64 -mtriple=ppc64-apple-darwin < %s | FileCheck %s
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; CHECK-LABEL: {{^}}_merge_8_float_zero_stores:
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; CHECK: li [[ZEROREG:r[0-9]+]], 0
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; CHECK-DAG: std [[ZEROREG]], 0([[PTR:r[0-9]+]])
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; CHECK-DAG: std [[ZEROREG]], 8([[PTR]])
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; CHECK-DAG: std [[ZEROREG]], 16([[PTR]])
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; CHECK-DAG: std [[ZEROREG]], 24([[PTR]])
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; CHECK: blr
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define void @merge_8_float_zero_stores(float* %ptr) {
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%idx0 = getelementptr float, float* %ptr, i64 0
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%idx1 = getelementptr float, float* %ptr, i64 1
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%idx2 = getelementptr float, float* %ptr, i64 2
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%idx3 = getelementptr float, float* %ptr, i64 3
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%idx4 = getelementptr float, float* %ptr, i64 4
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%idx5 = getelementptr float, float* %ptr, i64 5
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%idx6 = getelementptr float, float* %ptr, i64 6
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%idx7 = getelementptr float, float* %ptr, i64 7
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store float 0.0, float* %idx0, align 4
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store float 0.0, float* %idx1, align 4
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store float 0.0, float* %idx2, align 4
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store float 0.0, float* %idx3, align 4
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store float 0.0, float* %idx4, align 4
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store float 0.0, float* %idx5, align 4
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store float 0.0, float* %idx6, align 4
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store float 0.0, float* %idx7, align 4
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ret void
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}
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