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Tidy-up test case from r242257. 

llvm-svn: 242268
This commit is contained in:
Michael Zolotukhin 2015-07-15 01:51:51 +00:00
parent 60ec79e82e
commit 1e8e7a8a43
1 changed files with 8 additions and 5 deletions
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13
llvm/test/Transforms/LoopUnroll/full-unroll-heuristics-cast.ll
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@ -3,8 +3,8 @@ target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
@known_constant = internal unnamed_addr constant [10 x i32] [i32 0, i32 1, i32 0, i32 1, i32 0, i32 1, i32 0, i32 1, i32 0, i32 1], align 16
; We should be able to propagate constant data thru different types of casts.
; For example, in this test we have a load, which becomes constant after
; We should be able to propagate constant data through different types of
; casts. For example, in this test we have a load, which becomes constant after
; unrolling, which then is truncated to i8. Obviously, truncated value is also a
; constant, which can be used in the further simplifications.
;
@ -14,7 +14,8 @@ target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
; optimize ~60% of all instructions in this case.
;
; CHECK-LABEL: @const_load_trunc
; CHECK-NOT: br i1 %exitcond86.i, label %loop.end, label %loop
; CHECK-NOT: br i1
; CHECK: ret i8 %
define i8 @const_load_trunc(i32* noalias nocapture readonly %src) {
entry:
br label %loop
@ -41,7 +42,8 @@ loop.end: ; preds = %loop
; The same test as before, but with ZEXT instead of TRUNC.
; CHECK-LABEL: @const_load_zext
; CHECK-NOT: br i1 %exitcond86.i, label %loop.end, label %loop
; CHECK-NOT: br i1
; CHECK: ret i64 %
define i64 @const_load_zext(i32* noalias nocapture readonly %src) {
entry:
br label %loop
@ -68,7 +70,8 @@ loop.end: ; preds = %loop
; The same test as the first one, but with SEXT instead of TRUNC.
; CHECK-LABEL: @const_load_sext
; CHECK-NOT: br i1 %exitcond86.i, label %loop.end, label %loop
; CHECK-NOT: br i1
; CHECK: ret i64 %
define i64 @const_load_sext(i32* noalias nocapture readonly %src) {
entry:
br label %loop