[llvm] r326331 - [InstCombine] auto-generate complete checks; NFC

[Sanjay Patel via llvm-commits]

Author: spatel
Date: Wed Feb 28 08:53:45 2018
New Revision: 326331

URL: http://llvm.org/viewvc/llvm-project?rev=326331&view=rev
Log:
[InstCombine] auto-generate complete checks; NFC

Modified:
    llvm/trunk/test/Transforms/InstCombine/select_arithmetic.ll

Modified: llvm/trunk/test/Transforms/InstCombine/select_arithmetic.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/select_arithmetic.ll?rev=326331&r1=326330&r2=326331&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/select_arithmetic.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/select_arithmetic.ll Wed Feb 28 08:53:45 2018
@@ -1,21 +1,28 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
 ; RUN: opt < %s -instcombine -S | FileCheck %s
 
 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
 
 ; Tests folding constants from two similar selects that feed a add
+
 define float @test1a(i1 zeroext %arg) #0 {
+; CHECK-LABEL: @test1a(
+; CHECK-NEXT:    [[TMP2:%.*]] = select i1 [[ARG:%.*]], float 6.000000e+00, float 1.500000e+01
+; CHECK-NEXT:    ret float [[TMP2]]
+;
   %tmp = select i1 %arg, float 5.000000e+00, float 6.000000e+00
   %tmp1 = select i1 %arg, float 1.000000e+00, float 9.000000e+00
   %tmp2 = fadd float %tmp, %tmp1
   ret float %tmp2
-; CHECK-LABEL: @test1a(
-; CHECK: %tmp2 = select i1 %arg, float 6.000000e+00, float 1.500000e+01
-; CHECK-NOT: fadd
-; CHECK: ret float %tmp2
 }
 
 ; Tests folding multiple expression constants from similar selects that feed a adds
+
 define float @test1b(i1 zeroext %arg) #0 {
+; CHECK-LABEL: @test1b(
+; CHECK-NEXT:    [[TMP5:%.*]] = select i1 [[ARG:%.*]], float 7.250000e+00, float 2.800000e+01
+; CHECK-NEXT:    ret float [[TMP5]]
+;
   %tmp = select i1 %arg, float 5.000000e+00, float 6.000000e+00
   %tmp1 = select i1 %arg, float 1.000000e+00, float 9.000000e+00
   %tmp2 = select i1 %arg, float 2.500000e-01, float 4.000000e+00
@@ -23,62 +30,65 @@ define float @test1b(i1 zeroext %arg) #0
   %tmp4 = fadd float %tmp2, %tmp1
   %tmp5 = fadd float %tmp4, %tmp3
   ret float %tmp5
-; CHECK-LABEL: @test1b(
-; CHECK: %tmp5 = select i1 %arg, float 7.250000e+00, float 2.800000e+01
-; CHECK-NOT: fadd
-; CHECK: ret float %tmp5
 }
 
 ; Tests folding constants from two similar selects that feed a sub
+
 define float @test2(i1 zeroext %arg) #0 {
+; CHECK-LABEL: @test2(
+; CHECK-NEXT:    [[TMP2:%.*]] = select i1 [[ARG:%.*]], float 4.000000e+00, float -3.000000e+00
+; CHECK-NEXT:    ret float [[TMP2]]
+;
   %tmp = select i1 %arg, float 5.000000e+00, float 6.000000e+00
   %tmp1 = select i1 %arg, float 1.000000e+00, float 9.000000e+00
   %tmp2 = fsub float %tmp, %tmp1
   ret float %tmp2
-; CHECK-LABEL: @test2(
-; CHECK: %tmp2 = select i1 %arg, float 4.000000e+00, float -3.000000e+00
-; CHECK-NOT: fsub
-; CHECK: ret float %tmp2
 }
 
 ; Tests folding constants from two similar selects that feed a mul
+
 define float @test3(i1 zeroext %arg) #0 {
+; CHECK-LABEL: @test3(
+; CHECK-NEXT:    [[TMP2:%.*]] = select i1 [[ARG:%.*]], float 5.000000e+00, float 5.400000e+01
+; CHECK-NEXT:    ret float [[TMP2]]
+;
   %tmp = select i1 %arg, float 5.000000e+00, float 6.000000e+00
   %tmp1 = select i1 %arg, float 1.000000e+00, float 9.000000e+00
   %tmp2 = fmul float %tmp, %tmp1
   ret float %tmp2
-; CHECK-LABEL: @test3(
-; CHECK: %tmp2 = select i1 %arg, float 5.000000e+00, float 5.400000e+01
-; CHECK-NOT: fmul
-; CHECK: ret float %tmp2
 }
 
 declare void @use_float(float)
 
 ; Tests folding constants if the selects have multiple uses but
 ; we can fold away the binary op with a select.
+
 define float @test4(i1 zeroext %arg) #0 {
+; CHECK-LABEL: @test4(
+; CHECK-NEXT:    [[TMP:%.*]] = select i1 [[ARG:%.*]], float 5.000000e+00, float 6.000000e+00
+; CHECK-NEXT:    [[TMP2:%.*]] = select i1 [[ARG]], float 5.000000e+00, float 5.400000e+01
+; CHECK-NEXT:    call void @use_float(float [[TMP]])
+; CHECK-NEXT:    ret float [[TMP2]]
+;
   %tmp = select i1 %arg, float 5.000000e+00, float 6.000000e+00
   %tmp1 = select i1 %arg, float 1.000000e+00, float 9.000000e+00
   %tmp2 = fmul float %tmp, %tmp1
   call void @use_float(float %tmp)
   ret float %tmp2
-; CHECK-LABEL: @test4(
-; CHECK: select i1 %arg, float 5.000000e+00, float 6.000000e+00
-; CHECK-NEXT: select i1 %arg, float 5.000000e+00, float 5.400000e+01
-; CHECK-NEXT: call void @use_float(float %tmp)
-; CHECK: ret float %tmp2
 }
 
 ; Tests not folding constants if we cannot fold away any of the selects.
+
 define float @test5(i1 zeroext %arg, float %div) {
+; CHECK-LABEL: @test5(
+; CHECK-NEXT:    [[TMP:%.*]] = select i1 [[ARG:%.*]], float [[DIV:%.*]], float 5.000000e+00
+; CHECK-NEXT:    [[MUL:%.*]] = fmul contract float [[TMP]], [[TMP]]
+; CHECK-NEXT:    call void @use_float(float [[TMP]])
+; CHECK-NEXT:    ret float [[MUL]]
+;
   %tmp = select i1 %arg, float %div, float 5.000000e+00
   %mul = fmul contract float %tmp, %tmp
   call void @use_float(float %tmp)
   ret float %mul
-; CHECK-LABEL: @test5(
-; CHECK: [[TMP:%.*]] = select i1 %arg, float %div, float 5.000000e+00
-; CHECK-NEXT: [[MUL:%.*]] = fmul contract float [[TMP]], [[TMP]]
-; CHECK-NOT: fmul contract float %div, %div
-; CHECK: ret float [[MUL]]
 }
+