Fix signed zero literal and test fast math flags

HendrikHuebner · HendrikHuebner · commit 86142ca1d427 · 2024-07-09T22:50:58.000+02:00
diff --git a/llvm/test/Transforms/InstCombine/cabs-discrete.ll b/llvm/test/Transforms/InstCombine/cabs-discrete.ll
@@ -141,7 +141,7 @@ define fp128 @fast_cabsl_neg_zero_imag(fp128 %real) {
 ; CHECK-NEXT:    [[CABS:%.*]] = tail call fp128 @llvm.fabs.f128(fp128 [[REAL:%.*]])
 ; CHECK-NEXT:    ret fp128 [[CABS]]
 ;
-  %call = tail call fp128 @cabsl(fp128 %real, fp128 0xL80000000000000000000000000000000)
+  %call = tail call fp128 @cabsl(fp128 %real, fp128 -0xL00000000000000000000000000000000)
   ret fp128 %call
 }
 

Original file line number	Diff line number	Diff line change
`@@ -141,7 +141,7 @@ define fp128 @fast_cabsl_neg_zero_imag(fp128 %real) {`
`141`	`141`	`; CHECK-NEXT: [[CABS:%.]] = tail call fp128 @llvm.fabs.f128(fp128 [[REAL:%.]])`
`142`	`142`	`; CHECK-NEXT: ret fp128 [[CABS]]`
`143`	`143`	`;`
`144`		`- %call = tail call fp128 @cabsl(fp128 %real, fp128 0xL80000000000000000000000000000000)`
	`144`	`+ %call = tail call fp128 @cabsl(fp128 %real, fp128 -0xL00000000000000000000000000000000)`
`145`	`145`	`ret fp128 %call`
`146`	`146`	`}`
`147`	`147`