Teach X86FastISel to fold constant offsets and scaled indices in
the same address.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107373 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/fast-isel-gep.ll b/test/CodeGen/X86/fast-isel-gep.ll
index 5b8acec..1270ab7 100644
--- a/test/CodeGen/X86/fast-isel-gep.ll
+++ b/test/CodeGen/X86/fast-isel-gep.ll
@@ -51,3 +51,22 @@
; X64: ret
}
+
+define double @test4(i64 %x, double* %p) nounwind {
+entry:
+ %x.addr = alloca i64, align 8 ; <i64*> [#uses=2]
+ %p.addr = alloca double*, align 8 ; <double**> [#uses=2]
+ store i64 %x, i64* %x.addr
+ store double* %p, double** %p.addr
+ %tmp = load i64* %x.addr ; <i64> [#uses=1]
+ %add = add nsw i64 %tmp, 16 ; <i64> [#uses=1]
+ %tmp1 = load double** %p.addr ; <double*> [#uses=1]
+ %arrayidx = getelementptr inbounds double* %tmp1, i64 %add ; <double*> [#uses=1]
+ %tmp2 = load double* %arrayidx ; <double> [#uses=1]
+ ret double %tmp2
+
+; X32: test4:
+; X32: 128(%e{{.*}},%e{{.*}},8)
+; X64: test4:
+; X64: 128(%r{{.*}},%r{{.*}},8)
+}