|  | ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort=1 -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 { | 
|  | ; ELF64: t1 | 
|  | %1 = load i8, i8* @a, align 1 | 
|  | call void @foo1(i8 zeroext %1) | 
|  | ; ELF64: lbz | 
|  | ; ELF64-NOT: rldicl | 
|  | ; ELF64-NOT: rlwinm | 
|  | ret void | 
|  | } | 
|  |  | 
|  | define void @t2() nounwind { | 
|  | ; ELF64: t2 | 
|  | %1 = load i16, i16* @b, align 2 | 
|  | call void @foo2(i16 zeroext %1) | 
|  | ; ELF64: lhz | 
|  | ; ELF64-NOT: rldicl | 
|  | ; ELF64-NOT: rlwinm | 
|  | ret void | 
|  | } | 
|  |  | 
|  | define void @t2a() nounwind { | 
|  | ; ELF64: t2a | 
|  | %1 = load i32, 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 { | 
|  | ; ELF64: t3 | 
|  | %1 = load i8, i8* @a, align 1 | 
|  | %2 = zext i8 %1 to i32 | 
|  | ; ELF64: lbz | 
|  | ; ELF64-NOT: rlwinm | 
|  | ret i32 %2 | 
|  | } | 
|  |  | 
|  | define i32 @t4() nounwind { | 
|  | ; ELF64: t4 | 
|  | %1 = load i16, i16* @b, align 2 | 
|  | %2 = zext i16 %1 to i32 | 
|  | ; ELF64: lhz | 
|  | ; ELF64-NOT: rlwinm | 
|  | ret i32 %2 | 
|  | } | 
|  |  | 
|  | define i32 @t5() nounwind { | 
|  | ; ELF64: t5 | 
|  | %1 = load i16, i16* @b, align 2 | 
|  | %2 = sext i16 %1 to i32 | 
|  | ; ELF64: lha | 
|  | ; ELF64-NOT: rlwinm | 
|  | ret i32 %2 | 
|  | } | 
|  |  | 
|  | define i32 @t6() nounwind { | 
|  | ; ELF64: t6 | 
|  | %1 = load i8, i8* @a, align 2 | 
|  | %2 = sext i8 %1 to i32 | 
|  | ; ELF64: lbz | 
|  | ; ELF64-NOT: rlwinm | 
|  | ret i32 %2 | 
|  | } | 
|  |  | 
|  | define i64 @t7() nounwind { | 
|  | ; ELF64: t7 | 
|  | %1 = load i8, i8* @a, align 1 | 
|  | %2 = zext i8 %1 to i64 | 
|  | ; ELF64: lbz | 
|  | ; ELF64-NOT: rldicl | 
|  | ret i64 %2 | 
|  | } | 
|  |  | 
|  | define i64 @t8() nounwind { | 
|  | ; ELF64: t8 | 
|  | %1 = load i16, i16* @b, align 2 | 
|  | %2 = zext i16 %1 to i64 | 
|  | ; ELF64: lhz | 
|  | ; ELF64-NOT: rldicl | 
|  | ret i64 %2 | 
|  | } | 
|  |  | 
|  | define i64 @t9() nounwind { | 
|  | ; ELF64: t9 | 
|  | %1 = load i16, i16* @b, align 2 | 
|  | %2 = sext i16 %1 to i64 | 
|  | ; ELF64: lha | 
|  | ; ELF64-NOT: extsh | 
|  | ret i64 %2 | 
|  | } | 
|  |  | 
|  | define i64 @t10() nounwind { | 
|  | ; ELF64: t10 | 
|  | %1 = load i8, i8* @a, align 2 | 
|  | %2 = sext i8 %1 to i64 | 
|  | ; ELF64: lbz | 
|  | ; ELF64: extsb | 
|  | ret i64 %2 | 
|  | } | 
|  |  | 
|  | define i64 @t11() nounwind { | 
|  | ; ELF64: t11 | 
|  | %1 = load i32, i32* @c, align 4 | 
|  | %2 = zext i32 %1 to i64 | 
|  | ; ELF64: lwz | 
|  | ; ELF64-NOT: rldicl | 
|  | ret i64 %2 | 
|  | } | 
|  |  | 
|  | define i64 @t12() nounwind { | 
|  | ; ELF64: t12 | 
|  | %1 = load i32, i32* @c, align 4 | 
|  | %2 = sext i32 %1 to i64 | 
|  | ; ELF64: lwa | 
|  | ; ELF64-NOT: extsw | 
|  | ret i64 %2 | 
|  | } |