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authorFlorian Hahn <florian.hahn@arm.com>2018-03-23 12:49:39 +0000
committerFlorian Hahn <florian.hahn@arm.com>2018-03-23 12:49:39 +0000
commitf73c3ece7f1004dd5c1b8351a90172258018dd12 (patch)
tree19e273371f02825a384efe9b1cad5b2918576634 /llvm/test
parentf54235594222ed8925429e050d0b7611b2c249a4 (diff)
downloadbcm5719-llvm-f73c3ece7f1004dd5c1b8351a90172258018dd12.tar.gz
bcm5719-llvm-f73c3ece7f1004dd5c1b8351a90172258018dd12.zip
Revert r328307: [IPSCCP] Use constant range information for comparisons of parameters.
Reverted for now, due to it causing verifier failures. llvm-svn: 328312
Diffstat (limited to 'llvm/test')
-rw-r--r--llvm/test/Transforms/SCCP/ip-constant-ranges.ll22
1 files changed, 13 insertions, 9 deletions
diff --git a/llvm/test/Transforms/SCCP/ip-constant-ranges.ll b/llvm/test/Transforms/SCCP/ip-constant-ranges.ll
index d5a3e208adf..22a239d1208 100644
--- a/llvm/test/Transforms/SCCP/ip-constant-ranges.ll
+++ b/llvm/test/Transforms/SCCP/ip-constant-ranges.ll
@@ -2,7 +2,11 @@
; Constant range for %a is [1, 48) and for %b is [301, 1000)
; CHECK-LABEL: f1
-; CHECK: ret i32 undef
+; CHECK-NOT: icmp
+; CHECK: %a.1 = select i1 false, i32 1, i32 2
+; CHECK: %b.1 = select i1 true, i32 1, i32 2
+; CHECK: %a.2 = select i1 false, i32 1, i32 2
+; CHECK: %b.2 = select i1 true, i32 1, i32 2
define internal i32 @f1(i32 %a, i32 %b) {
entry:
%cmp.a = icmp sgt i32 %a, 300
@@ -24,11 +28,10 @@ entry:
; CHECK-LABEL: f2
; CHECK: %cmp = icmp sgt i32 %x, 300
; CHECK: %res1 = select i1 %cmp, i32 1, i32 2
+; CHECK-NEXT: %res2 = select i1 true, i32 3, i32 4
+; CHECK-NEXT: %res3 = select i1 true, i32 5, i32 6
; CHECK-NEXT: %res4 = select i1 %cmp4, i32 3, i32 4
-; CHECK-NEXT: %res6 = add i32 %res1, 3
-; CHECK-NEXT: %res7 = add i32 5, %res4
-; CHECK-NEXT: %res = add i32 %res6, 5
-; CHECK-NEXT: ret i32 %res
+; CHECK-NEXT: %res5 = select i1 true, i32 5, i32 6
define internal i32 @f2(i32 %x) {
entry:
%cmp = icmp sgt i32 %x, 300
@@ -54,7 +57,8 @@ entry:
%call2 = tail call i32 @f1(i32 47, i32 999)
%call3 = tail call i32 @f2(i32 47)
%call4 = tail call i32 @f2(i32 301)
- %res.1 = add nsw i32 12, %call3
+ %res = add nsw i32 %call1, %call2
+ %res.1 = add nsw i32 %res, %call3
%res.2 = add nsw i32 %res.1, %call4
ret i32 %res.2
}
@@ -141,9 +145,9 @@ define double @test_struct({ double, double } %test) {
; Constant range for %x is [47, 302)
; CHECK-LABEL: @f5
; CHECK-NEXT: entry:
-; CHECK-NEXT: %cmp = icmp sgt i32 %x, undef
-; CHECK-NEXT: %res1 = select i1 %cmp, i32 1, i32 2
-; CHECK-NEXT: %res = add i32 %res1, 3
+; CHECK-NEXT: %res1 = select i1 undef, i32 1, i32 2
+; CHECK-NEXT: %res2 = select i1 undef, i32 3, i32 4
+; CHECK-NEXT: %res = add i32 %res1, %res2
; CHECK-NEXT: ret i32 %res
define internal i32 @f5(i32 %x) {
entry:
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