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Remove the logic for reasoning about NaNs from the code that forms

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SSE min and max instructions. The real thing this code needs to be
concerned about is negative zero.

Update the sse-minmax.ll test accordingly, and add tests for
-enable-unsafe-fp-math mode as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96775 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-02-22 04:03:39 +00:00
parent 278f958c61
commit 8ce05daf54
2 changed files with 179 additions and 132 deletions
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212
test/CodeGen/X86/sse-minmax.ll
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@@ -1,4 +1,5 @@
; RUN: llc < %s -march=x86-64 -asm-verbose=false | FileCheck %s
; RUN: llc < %s -march=x86-64 -asm-verbose=false -enable-unsafe-fp-math | FileCheck -check-prefix=uNSAFE %s
; Some of these patterns can be matched as SSE min or max. Some of
; then can be matched provided that the operands are swapped.
@@ -12,6 +13,9 @@
; CHECK: ogt:
; CHECK-NEXT: maxsd %xmm1, %xmm0
; CHECK-NEXT: ret
; uNSAFE: ogt:
; uNSAFE-NEXT: maxsd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @ogt(double %x, double %y) nounwind {
%c = fcmp ogt double %x, %y
%d = select i1 %c, double %x, double %y
@@ -21,6 +25,9 @@ define double @ogt(double %x, double %y) nounwind {
; CHECK: olt:
; CHECK-NEXT: minsd %xmm1, %xmm0
; CHECK-NEXT: ret
; uNSAFE: olt:
; uNSAFE-NEXT: minsd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @olt(double %x, double %y) nounwind {
%c = fcmp olt double %x, %y
%d = select i1 %c, double %x, double %y
@@ -31,6 +38,10 @@ define double @olt(double %x, double %y) nounwind {
; CHECK-NEXT: minsd %xmm0, %xmm1
; CHECK-NEXT: movapd %xmm1, %xmm0
; CHECK-NEXT: ret
; uNSAFE: ogt_inverse:
; uNSAFE-NEXT: minsd %xmm0, %xmm1
; uNSAFE-NEXT: movapd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @ogt_inverse(double %x, double %y) nounwind {
%c = fcmp ogt double %x, %y
%d = select i1 %c, double %y, double %x
@@ -41,6 +52,10 @@ define double @ogt_inverse(double %x, double %y) nounwind {
; CHECK-NEXT: maxsd %xmm0, %xmm1
; CHECK-NEXT: movapd %xmm1, %xmm0
; CHECK-NEXT: ret
; uNSAFE: olt_inverse:
; uNSAFE-NEXT: maxsd %xmm0, %xmm1
; uNSAFE-NEXT: movapd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @olt_inverse(double %x, double %y) nounwind {
%c = fcmp olt double %x, %y
%d = select i1 %c, double %y, double %x
@@ -49,6 +64,9 @@ define double @olt_inverse(double %x, double %y) nounwind {
; CHECK: oge:
; CHECK-NEXT: ucomisd %xmm1, %xmm0
; uNSAFE: oge:
; uNSAFE-NEXT: maxsd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @oge(double %x, double %y) nounwind {
%c = fcmp oge double %x, %y
%d = select i1 %c, double %x, double %y
@@ -57,6 +75,8 @@ define double @oge(double %x, double %y) nounwind {
; CHECK: ole:
; CHECK-NEXT: ucomisd %xmm0, %xmm1
; uNSAFE: ole:
; uNSAFE-NEXT: minsd %xmm1, %xmm0
define double @ole(double %x, double %y) nounwind {
%c = fcmp ole double %x, %y
%d = select i1 %c, double %x, double %y
@@ -65,6 +85,10 @@ define double @ole(double %x, double %y) nounwind {
; CHECK: oge_inverse:
; CHECK-NEXT: ucomisd %xmm1, %xmm0
; uNSAFE: oge_inverse:
; uNSAFE-NEXT: minsd %xmm0, %xmm1
; uNSAFE-NEXT: movapd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @oge_inverse(double %x, double %y) nounwind {
%c = fcmp oge double %x, %y
%d = select i1 %c, double %y, double %x
@@ -73,6 +97,10 @@ define double @oge_inverse(double %x, double %y) nounwind {
; CHECK: ole_inverse:
; CHECK-NEXT: ucomisd %xmm0, %xmm1
; uNSAFE: ole_inverse:
; uNSAFE-NEXT: maxsd %xmm0, %xmm1
; uNSAFE-NEXT: movapd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @ole_inverse(double %x, double %y) nounwind {
%c = fcmp ole double %x, %y
%d = select i1 %c, double %y, double %x
@@ -83,6 +111,10 @@ define double @ole_inverse(double %x, double %y) nounwind {
; CHECK-NEXT: pxor %xmm1, %xmm1
; CHECK-NEXT: maxsd %xmm1, %xmm0
; CHECK-NEXT: ret
; uNSAFE: x_ogt:
; uNSAFE-NEXT: pxor %xmm1, %xmm1
; uNSAFE-NEXT: maxsd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @x_ogt(double %x) nounwind {
%c = fcmp ogt double %x, 0.000000e+00
%d = select i1 %c, double %x, double 0.000000e+00
@@ -93,6 +125,10 @@ define double @x_ogt(double %x) nounwind {
; CHECK-NEXT: pxor %xmm1, %xmm1
; CHECK-NEXT: minsd %xmm1, %xmm0
; CHECK-NEXT: ret
; uNSAFE: x_olt:
; uNSAFE-NEXT: pxor %xmm1, %xmm1
; uNSAFE-NEXT: minsd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @x_olt(double %x) nounwind {
%c = fcmp olt double %x, 0.000000e+00
%d = select i1 %c, double %x, double 0.000000e+00
@@ -104,6 +140,11 @@ define double @x_olt(double %x) nounwind {
; CHECK-NEXT: minsd %xmm0, %xmm1
; CHECK-NEXT: movapd %xmm1, %xmm0
; CHECK-NEXT: ret
; uNSAFE: x_ogt_inverse:
; uNSAFE-NEXT: pxor %xmm1, %xmm1
; uNSAFE-NEXT: minsd %xmm0, %xmm1
; uNSAFE-NEXT: movapd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @x_ogt_inverse(double %x) nounwind {
%c = fcmp ogt double %x, 0.000000e+00
%d = select i1 %c, double 0.000000e+00, double %x
@@ -115,6 +156,11 @@ define double @x_ogt_inverse(double %x) nounwind {
; CHECK-NEXT: maxsd %xmm0, %xmm1
; CHECK-NEXT: movapd %xmm1, %xmm0
; CHECK-NEXT: ret
; uNSAFE: x_olt_inverse:
; uNSAFE-NEXT: pxor %xmm1, %xmm1
; uNSAFE-NEXT: maxsd %xmm0, %xmm1
; uNSAFE-NEXT: movapd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @x_olt_inverse(double %x) nounwind {
%c = fcmp olt double %x, 0.000000e+00
%d = select i1 %c, double 0.000000e+00, double %x
@@ -122,9 +168,11 @@ define double @x_olt_inverse(double %x) nounwind {
}
; CHECK: x_oge:
; CHECK-NEXT: pxor %xmm1, %xmm1
; CHECK-NEXT: maxsd %xmm1, %xmm0
; CHECK-NEXT: ret
; CHECK: ucomisd %xmm1, %xmm0
; uNSAFE: x_oge:
; uNSAFE-NEXT: pxor %xmm1, %xmm1
; uNSAFE-NEXT: maxsd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @x_oge(double %x) nounwind {
%c = fcmp oge double %x, 0.000000e+00
%d = select i1 %c, double %x, double 0.000000e+00
@@ -132,9 +180,11 @@ define double @x_oge(double %x) nounwind {
}
; CHECK: x_ole:
; CHECK-NEXT: pxor %xmm1, %xmm1
; CHECK-NEXT: minsd %xmm1, %xmm0
; CHECK-NEXT: ret
; CHECK: ucomisd %xmm0, %xmm1
; uNSAFE: x_ole:
; uNSAFE-NEXT: pxor %xmm1, %xmm1
; uNSAFE-NEXT: minsd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @x_ole(double %x) nounwind {
%c = fcmp ole double %x, 0.000000e+00
%d = select i1 %c, double %x, double 0.000000e+00
@@ -142,10 +192,12 @@ define double @x_ole(double %x) nounwind {
}
; CHECK: x_oge_inverse:
; CHECK-NEXT: pxor %xmm1, %xmm1
; CHECK-NEXT: minsd %xmm0, %xmm1
; CHECK-NEXT: movapd %xmm1, %xmm0
; CHECK-NEXT: ret
; CHECK: ucomisd %xmm1, %xmm0
; uNSAFE: x_oge_inverse:
; uNSAFE-NEXT: pxor %xmm1, %xmm1
; uNSAFE-NEXT: minsd %xmm0, %xmm1
; uNSAFE-NEXT: movapd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @x_oge_inverse(double %x) nounwind {
%c = fcmp oge double %x, 0.000000e+00
%d = select i1 %c, double 0.000000e+00, double %x
@@ -153,10 +205,12 @@ define double @x_oge_inverse(double %x) nounwind {
}
; CHECK: x_ole_inverse:
; CHECK-NEXT: pxor %xmm1, %xmm1
; CHECK-NEXT: maxsd %xmm0, %xmm1
; CHECK-NEXT: movapd %xmm1, %xmm0
; CHECK-NEXT: ret
; CHECK: ucomisd %xmm0, %xmm1
; uNSAFE: x_ole_inverse:
; uNSAFE-NEXT: pxor %xmm1, %xmm1
; uNSAFE-NEXT: maxsd %xmm0, %xmm1
; uNSAFE-NEXT: movapd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @x_ole_inverse(double %x) nounwind {
%c = fcmp ole double %x, 0.000000e+00
%d = select i1 %c, double 0.000000e+00, double %x
@@ -164,7 +218,10 @@ define double @x_ole_inverse(double %x) nounwind {
}
; CHECK: ugt:
; CHECK-NEXT: ucomisd %xmm0, %xmm1
; CHECK: ucomisd %xmm0, %xmm1
; uNSAFE: ugt:
; uNSAFE-NEXT: maxsd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @ugt(double %x, double %y) nounwind {
%c = fcmp ugt double %x, %y
%d = select i1 %c, double %x, double %y
@@ -172,7 +229,10 @@ define double @ugt(double %x, double %y) nounwind {
}
; CHECK: ult:
; CHECK-NEXT: ucomisd %xmm1, %xmm0
; CHECK: ucomisd %xmm1, %xmm0
; uNSAFE: ult:
; uNSAFE-NEXT: minsd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @ult(double %x, double %y) nounwind {
%c = fcmp ult double %x, %y
%d = select i1 %c, double %x, double %y
@@ -180,7 +240,11 @@ define double @ult(double %x, double %y) nounwind {
}
; CHECK: ugt_inverse:
; CHECK-NEXT: ucomisd %xmm0, %xmm1
; CHECK: ucomisd %xmm0, %xmm1
; uNSAFE: ugt_inverse:
; uNSAFE-NEXT: minsd %xmm0, %xmm1
; uNSAFE-NEXT: movapd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @ugt_inverse(double %x, double %y) nounwind {
%c = fcmp ugt double %x, %y
%d = select i1 %c, double %y, double %x
@@ -188,7 +252,11 @@ define double @ugt_inverse(double %x, double %y) nounwind {
}
; CHECK: ult_inverse:
; CHECK-NEXT: ucomisd %xmm1, %xmm0
; CHECK: ucomisd %xmm1, %xmm0
; uNSAFE: ult_inverse:
; uNSAFE-NEXT: maxsd %xmm0, %xmm1
; uNSAFE-NEXT: movapd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @ult_inverse(double %x, double %y) nounwind {
%c = fcmp ult double %x, %y
%d = select i1 %c, double %y, double %x
@@ -196,9 +264,11 @@ define double @ult_inverse(double %x, double %y) nounwind {
}
; CHECK: uge:
; CHECK-NEXT: maxsd %xmm0, %xmm1
; CHECK-NEXT: movapd %xmm1, %xmm0
; CHECK-NEXT: maxsd %xmm1, %xmm0
; CHECK-NEXT: ret
; uNSAFE: uge:
; uNSAFE-NEXT: maxsd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @uge(double %x, double %y) nounwind {
%c = fcmp uge double %x, %y
%d = select i1 %c, double %x, double %y
@@ -206,9 +276,11 @@ define double @uge(double %x, double %y) nounwind {
}
; CHECK: ule:
; CHECK-NEXT: minsd %xmm0, %xmm1
; CHECK-NEXT: movapd %xmm1, %xmm0
; CHECK-NEXT: minsd %xmm1, %xmm0
; CHECK-NEXT: ret
; uNSAFE: ule:
; uNSAFE-NEXT: minsd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @ule(double %x, double %y) nounwind {
%c = fcmp ule double %x, %y
%d = select i1 %c, double %x, double %y
@@ -216,8 +288,13 @@ define double @ule(double %x, double %y) nounwind {
}
; CHECK: uge_inverse:
; CHECK-NEXT: minsd %xmm1, %xmm0
; CHECK-NEXT: minsd %xmm0, %xmm1
; CHECK-NEXT: movapd %xmm1, %xmm0
; CHECK-NEXT: ret
; uNSAFE: uge_inverse:
; uNSAFE-NEXT: minsd %xmm0, %xmm1
; uNSAFE-NEXT: movapd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @uge_inverse(double %x, double %y) nounwind {
%c = fcmp uge double %x, %y
%d = select i1 %c, double %y, double %x
@@ -225,8 +302,13 @@ define double @uge_inverse(double %x, double %y) nounwind {
}
; CHECK: ule_inverse:
; CHECK-NEXT: maxsd %xmm1, %xmm0
; CHECK-NEXT: maxsd %xmm0, %xmm1
; CHECK-NEXT: movapd %xmm1, %xmm0
; CHECK-NEXT: ret
; uNSAFE: ule_inverse:
; uNSAFE-NEXT: maxsd %xmm0, %xmm1
; uNSAFE-NEXT: movapd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @ule_inverse(double %x, double %y) nounwind {
%c = fcmp ule double %x, %y
%d = select i1 %c, double %y, double %x
@@ -234,10 +316,11 @@ define double @ule_inverse(double %x, double %y) nounwind {
}
; CHECK: x_ugt:
; CHECK-NEXT: pxor %xmm1, %xmm1
; CHECK-NEXT: maxsd %xmm0, %xmm1
; CHECK-NEXT: movapd %xmm1, %xmm0
; CHECK-NEXT: ret
; CHECK: ucomisd %xmm0, %xmm1
; uNSAFE: x_ugt:
; uNSAFE-NEXT: pxor %xmm1, %xmm1
; uNSAFE-NEXT: maxsd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @x_ugt(double %x) nounwind {
%c = fcmp ugt double %x, 0.000000e+00
%d = select i1 %c, double %x, double 0.000000e+00
@@ -245,10 +328,11 @@ define double @x_ugt(double %x) nounwind {
}
; CHECK: x_ult:
; CHECK-NEXT: pxor %xmm1, %xmm1
; CHECK-NEXT: minsd %xmm0, %xmm1
; CHECK-NEXT: movapd %xmm1, %xmm0
; CHECK-NEXT: ret
; CHECK: ucomisd %xmm1, %xmm0
; uNSAFE: x_ult:
; uNSAFE-NEXT: pxor %xmm1, %xmm1
; uNSAFE-NEXT: minsd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @x_ult(double %x) nounwind {
%c = fcmp ult double %x, 0.000000e+00
%d = select i1 %c, double %x, double 0.000000e+00
@@ -256,9 +340,12 @@ define double @x_ult(double %x) nounwind {
}
; CHECK: x_ugt_inverse:
; CHECK-NEXT: pxor %xmm1, %xmm1
; CHECK-NEXT: minsd %xmm1, %xmm0
; CHECK-NEXT: ret
; CHECK: ucomisd %xmm0, %xmm1
; uNSAFE: x_ugt_inverse:
; uNSAFE-NEXT: pxor %xmm1, %xmm1
; uNSAFE-NEXT: minsd %xmm0, %xmm1
; uNSAFE-NEXT: movapd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @x_ugt_inverse(double %x) nounwind {
%c = fcmp ugt double %x, 0.000000e+00
%d = select i1 %c, double 0.000000e+00, double %x
@@ -266,9 +353,12 @@ define double @x_ugt_inverse(double %x) nounwind {
}
; CHECK: x_ult_inverse:
; CHECK-NEXT: pxor %xmm1, %xmm1
; CHECK-NEXT: maxsd %xmm1, %xmm0
; CHECK-NEXT: ret
; CHECK: ucomisd %xmm1, %xmm0
; uNSAFE: x_ult_inverse:
; uNSAFE-NEXT: pxor %xmm1, %xmm1
; uNSAFE-NEXT: maxsd %xmm0, %xmm1
; uNSAFE-NEXT: movapd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @x_ult_inverse(double %x) nounwind {
%c = fcmp ult double %x, 0.000000e+00
%d = select i1 %c, double 0.000000e+00, double %x
@@ -277,9 +367,12 @@ define double @x_ult_inverse(double %x) nounwind {
; CHECK: x_uge:
; CHECK-NEXT: pxor %xmm1, %xmm1
; CHECK-NEXT: maxsd %xmm0, %xmm1
; CHECK-NEXT: movapd %xmm1, %xmm0
; CHECK-NEXT: maxsd %xmm1, %xmm0
; CHECK-NEXT: ret
; uNSAFE: x_uge:
; uNSAFE-NEXT: pxor %xmm1, %xmm1
; uNSAFE-NEXT: maxsd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @x_uge(double %x) nounwind {
%c = fcmp uge double %x, 0.000000e+00
%d = select i1 %c, double %x, double 0.000000e+00
@@ -288,9 +381,12 @@ define double @x_uge(double %x) nounwind {
; CHECK: x_ule:
; CHECK-NEXT: pxor %xmm1, %xmm1
; CHECK-NEXT: minsd %xmm0, %xmm1
; CHECK-NEXT: movapd %xmm1, %xmm0
; CHECK-NEXT: minsd %xmm1, %xmm0
; CHECK-NEXT: ret
; uNSAFE: x_ule:
; uNSAFE-NEXT: pxor %xmm1, %xmm1
; uNSAFE-NEXT: minsd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @x_ule(double %x) nounwind {
%c = fcmp ule double %x, 0.000000e+00
%d = select i1 %c, double %x, double 0.000000e+00
@@ -299,8 +395,14 @@ define double @x_ule(double %x) nounwind {
; CHECK: x_uge_inverse:
; CHECK-NEXT: pxor %xmm1, %xmm1
; CHECK-NEXT: minsd %xmm1, %xmm0
; CHECK-NEXT: minsd %xmm0, %xmm1
; CHECK-NEXT: movapd %xmm1, %xmm0
; CHECK-NEXT: ret
; uNSAFE: x_uge_inverse:
; uNSAFE-NEXT: pxor %xmm1, %xmm1
; uNSAFE-NEXT: minsd %xmm0, %xmm1
; uNSAFE-NEXT: movapd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @x_uge_inverse(double %x) nounwind {
%c = fcmp uge double %x, 0.000000e+00
%d = select i1 %c, double 0.000000e+00, double %x
@@ -309,8 +411,14 @@ define double @x_uge_inverse(double %x) nounwind {
; CHECK: x_ule_inverse:
; CHECK-NEXT: pxor %xmm1, %xmm1
; CHECK-NEXT: maxsd %xmm1, %xmm0
; CHECK-NEXT: maxsd %xmm0, %xmm1
; CHECK-NEXT: movapd %xmm1, %xmm0
; CHECK-NEXT: ret
; uNSAFE: x_ule_inverse:
; uNSAFE-NEXT: pxor %xmm1, %xmm1
; uNSAFE-NEXT: maxsd %xmm0, %xmm1
; uNSAFE-NEXT: movapd %xmm1, %xmm0
; uNSAFE-NEXT: ret
define double @x_ule_inverse(double %x) nounwind {
%c = fcmp ule double %x, 0.000000e+00
%d = select i1 %c, double 0.000000e+00, double %x
@@ -321,6 +429,8 @@ define double @x_ule_inverse(double %x) nounwind {
; CHECK: clampTo3k_a:
; CHECK: minsd
; uNSAFE: clampTo3k_a:
; uNSAFE: minsd
define double @clampTo3k_a(double %x) nounwind readnone {
entry:
%0 = fcmp ogt double %x, 3.000000e+03 ; <i1> [#uses=1]
@@ -330,6 +440,8 @@ entry:
; CHECK: clampTo3k_b:
; CHECK: minsd
; uNSAFE: clampTo3k_b:
; uNSAFE: minsd
define double @clampTo3k_b(double %x) nounwind readnone {
entry:
%0 = fcmp uge double %x, 3.000000e+03 ; <i1> [#uses=1]
@@ -339,6 +451,8 @@ entry:
; CHECK: clampTo3k_c:
; CHECK: maxsd
; uNSAFE: clampTo3k_c:
; uNSAFE: maxsd
define double @clampTo3k_c(double %x) nounwind readnone {
entry:
%0 = fcmp olt double %x, 3.000000e+03 ; <i1> [#uses=1]
@@ -348,6 +462,8 @@ entry:
; CHECK: clampTo3k_d:
; CHECK: maxsd
; uNSAFE: clampTo3k_d:
; uNSAFE: maxsd
define double @clampTo3k_d(double %x) nounwind readnone {
entry:
%0 = fcmp ule double %x, 3.000000e+03 ; <i1> [#uses=1]
@@ -357,6 +473,8 @@ entry:
; CHECK: clampTo3k_e:
; CHECK: maxsd
; uNSAFE: clampTo3k_e:
; uNSAFE: maxsd
define double @clampTo3k_e(double %x) nounwind readnone {
entry:
%0 = fcmp olt double %x, 3.000000e+03 ; <i1> [#uses=1]
@@ -366,6 +484,8 @@ entry:
; CHECK: clampTo3k_f:
; CHECK: maxsd
; uNSAFE: clampTo3k_f:
; uNSAFE: maxsd
define double @clampTo3k_f(double %x) nounwind readnone {
entry:
%0 = fcmp ule double %x, 3.000000e+03 ; <i1> [#uses=1]
@@ -375,6 +495,8 @@ entry:
; CHECK: clampTo3k_g:
; CHECK: minsd
; uNSAFE: clampTo3k_g:
; uNSAFE: minsd
define double @clampTo3k_g(double %x) nounwind readnone {
entry:
%0 = fcmp ogt double %x, 3.000000e+03 ; <i1> [#uses=1]
@@ -384,6 +506,8 @@ entry:
; CHECK: clampTo3k_h:
; CHECK: minsd
; uNSAFE: clampTo3k_h:
; uNSAFE: minsd
define double @clampTo3k_h(double %x) nounwind readnone {
entry:
%0 = fcmp uge double %x, 3.000000e+03 ; <i1> [#uses=1]