1 files changed, 129 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/fast-isel-fold.ll b/test/CodeGen/PowerPC/fast-isel-fold.ll
new file mode 100644
index 0000000..4de345f
--- /dev/null
+++ b/test/CodeGen/PowerPC/fast-isel-fold.ll
@@ -0,0 +1,129 @@
+; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 | FileCheck %s --check-prefix=ELF64
+
+@a = global i8 1, align 1
+@b = global i16 2, align 2
+@c = global i32 4, align 4
+
+define void @t1() nounwind uwtable ssp {
+; ELF64: t1
+  %1 = load i8* @a, align 1
+  call void @foo1(i8 zeroext %1)
+; ELF64: lbz
+; ELF64-NOT: rldicl
+; ELF64-NOT: rlwinm
+  ret void
+}
+
+define void @t2() nounwind uwtable ssp {
+; ELF64: t2
+  %1 = load i16* @b, align 2
+  call void @foo2(i16 zeroext %1)
+; ELF64: lhz
+; ELF64-NOT: rldicl
+; ELF64-NOT: rlwinm
+  ret void
+}
+
+define void @t2a() nounwind uwtable ssp {
+; ELF64: t2a
+  %1 = load i32* @c, align 4
+  call void @foo3(i32 zeroext %1)
+; ELF64: lwz
+; ELF64-NOT: rldicl
+; ELF64-NOT: rlwinm
+  ret void
+}
+
+declare void @foo1(i8 zeroext)
+declare void @foo2(i16 zeroext)
+declare void @foo3(i32 zeroext)
+
+define i32 @t3() nounwind uwtable ssp {
+; ELF64: t3
+  %1 = load i8* @a, align 1
+  %2 = zext i8 %1 to i32
+; ELF64: lbz
+; ELF64-NOT: rlwinm
+  ret i32 %2
+}
+
+define i32 @t4() nounwind uwtable ssp {
+; ELF64: t4
+  %1 = load i16* @b, align 2
+  %2 = zext i16 %1 to i32
+; ELF64: lhz
+; ELF64-NOT: rlwinm
+  ret i32 %2
+}
+
+define i32 @t5() nounwind uwtable ssp {
+; ELF64: t5
+  %1 = load i16* @b, align 2
+  %2 = sext i16 %1 to i32
+; ELF64: lha
+; ELF64-NOT: rlwinm
+  ret i32 %2
+}
+
+define i32 @t6() nounwind uwtable ssp {
+; ELF64: t6
+  %1 = load i8* @a, align 2
+  %2 = sext i8 %1 to i32
+; ELF64: lbz
+; ELF64-NOT: rlwinm
+  ret i32 %2
+}
+
+define i64 @t7() nounwind uwtable ssp {
+; ELF64: t7
+  %1 = load i8* @a, align 1
+  %2 = zext i8 %1 to i64
+; ELF64: lbz
+; ELF64-NOT: rldicl
+  ret i64 %2
+}
+
+define i64 @t8() nounwind uwtable ssp {
+; ELF64: t8
+  %1 = load i16* @b, align 2
+  %2 = zext i16 %1 to i64
+; ELF64: lhz
+; ELF64-NOT: rldicl
+  ret i64 %2
+}
+
+define i64 @t9() nounwind uwtable ssp {
+; ELF64: t9
+  %1 = load i16* @b, align 2
+  %2 = sext i16 %1 to i64
+; ELF64: lha
+; ELF64-NOT: extsh
+  ret i64 %2
+}
+
+define i64 @t10() nounwind uwtable ssp {
+; ELF64: t10
+  %1 = load i8* @a, align 2
+  %2 = sext i8 %1 to i64
+; ELF64: lbz
+; ELF64: extsb
+  ret i64 %2
+}
+
+define i64 @t11() nounwind uwtable ssp {
+; ELF64: t11
+  %1 = load i32* @c, align 4
+  %2 = zext i32 %1 to i64
+; ELF64: lwz
+; ELF64-NOT: rldicl
+  ret i64 %2
+}
+
+define i64 @t12() nounwind uwtable ssp {
+; ELF64: t12
+  %1 = load i32* @c, align 4
+  %2 = sext i32 %1 to i64
+; ELF64: lwa
+; ELF64-NOT: extsw
+  ret i64 %2
+}