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Bug 21610: Canonicalize min/max fcmp selects to use ordered comparisons

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222705 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault
2014-11-24 23:15:18 +00:00
parent 3ff3cb7fe3
commit 2543acd169
3 changed files with 163 additions and 9 deletions
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16
test/Transforms/LoopVectorize/minmax_reduction.ll
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@@ -516,7 +516,7 @@ for.end:
}
; CHECK-LABEL: @unordered_max_red_float(
; CHECK: fcmp ugt <2 x float>
; CHECK: fcmp ole <2 x float>
; CHECK: select <2 x i1>
; CHECK: middle.block
; CHECK: fcmp ogt <2 x float>
@@ -542,7 +542,7 @@ for.end:
}
; CHECK-LABEL: @unordered_max_red_float_ge(
; CHECK: fcmp uge <2 x float>
; CHECK: fcmp olt <2 x float>
; CHECK: select <2 x i1>
; CHECK: middle.block
; CHECK: fcmp ogt <2 x float>
@@ -568,7 +568,7 @@ for.end:
}
; CHECK-LABEL: @inverted_unordered_max_red_float(
; CHECK: fcmp ult <2 x float>
; CHECK: fcmp oge <2 x float>
; CHECK: select <2 x i1>
; CHECK: middle.block
; CHECK: fcmp ogt <2 x float>
@@ -594,7 +594,7 @@ for.end:
}
; CHECK-LABEL: @inverted_unordered_max_red_float_le(
; CHECK: fcmp ule <2 x float>
; CHECK: fcmp ogt <2 x float>
; CHECK: select <2 x i1>
; CHECK: middle.block
; CHECK: fcmp ogt <2 x float>
@@ -727,7 +727,7 @@ for.end:
}
; CHECK-LABEL: @unordered_min_red_float(
; CHECK: fcmp ult <2 x float>
; CHECK: fcmp oge <2 x float>
; CHECK: select <2 x i1>
; CHECK: middle.block
; CHECK: fcmp olt <2 x float>
@@ -753,7 +753,7 @@ for.end:
}
; CHECK-LABEL: @unordered_min_red_float_le(
; CHECK: fcmp ule <2 x float>
; CHECK: fcmp ogt <2 x float>
; CHECK: select <2 x i1>
; CHECK: middle.block
; CHECK: fcmp olt <2 x float>
@@ -779,7 +779,7 @@ for.end:
}
; CHECK-LABEL: @inverted_unordered_min_red_float(
; CHECK: fcmp ugt <2 x float>
; CHECK: fcmp ole <2 x float>
; CHECK: select <2 x i1>
; CHECK: middle.block
; CHECK: fcmp olt <2 x float>
@@ -805,7 +805,7 @@ for.end:
}
; CHECK-LABEL: @inverted_unordered_min_red_float_ge(
; CHECK: fcmp uge <2 x float>
; CHECK: fcmp olt <2 x float>
; CHECK: select <2 x i1>
; CHECK: middle.block
; CHECK: fcmp olt <2 x float>