va_args support for Win64.

[oota-llvm.git] / test / CodeGen / X86 / fast-isel-gep.ll

diff --git a/test/CodeGen/X86/fast-isel-gep.ll b/test/CodeGen/X86/fast-isel-gep.ll
index fb24f19968277c9e5234491b55dc1eb8b4ec0cf2..577dd7223a4d7a9464f805c5d44d337bb2b6e5ad 100644 (file)
--- a/test/CodeGen/X86/fast-isel-gep.ll
+++ b/test/CodeGen/X86/fast-isel-gep.ll
@@ -1,16 +1,15 @@
 ; RUN: llc < %s -march=x86-64 -O0 | FileCheck %s --check-prefix=X64
 ; RUN: llc < %s -march=x86 -O0 | FileCheck %s --check-prefix=X32
-; PR3181
 
 ; GEP indices are interpreted as signed integers, so they
 ; should be sign-extended to 64 bits on 64-bit targets.
-
+; PR3181
 define i32 @test1(i32 %t3, i32* %t1) nounwind {
        %t9 = getelementptr i32* %t1, i32 %t3           ; <i32*> [#uses=1]
        %t15 = load i32* %t9            ; <i32> [#uses=1]
        ret i32 %t15
 ; X32: test1:
-; X32:         movl    (%ecx,%eax,4), %eax
+; X32:         movl    (%eax,%ecx,4), %eax
 ; X32:         ret
 
 ; X64: test1:
@@ -24,10 +23,50 @@ define i32 @test2(i64 %t3, i32* %t1) nounwind {
        %t15 = load i32* %t9            ; <i32> [#uses=1]
        ret i32 %t15
 ; X32: test2:
-; X32:         movl    (%eax,%ecx,4), %eax
+; X32:         movl    (%edx,%ecx,4), %eax
 ; X32:         ret
 
 ; X64: test2:
 ; X64:         movl    (%rsi,%rdi,4), %eax
 ; X64:         ret
 }
+
+
+
+; PR4984
+define i8 @test3(i8* %start) nounwind {
+entry:
+  %A = getelementptr i8* %start, i64 -2               ; <i8*> [#uses=1]
+  %B = load i8* %A, align 1                       ; <i8> [#uses=1]
+  ret i8 %B
+  
+  
+; X32: test3:
+; X32:         movl    4(%esp), %eax
+; X32:         movb    -2(%eax), %al
+; X32:         ret
+
+; X64: test3:
+; X64:         movb    -2(%rdi), %al
+; 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)
+}