1 files changed, 201 insertions, 0 deletions
diff --git a/llvm/test/Transforms/Inline/X86/ext.ll b/llvm/test/Transforms/Inline/X86/ext.ll
new file mode 100644
index 00000000000..bffda385279
--- /dev/null
+++ b/llvm/test/Transforms/Inline/X86/ext.ll
@@ -0,0 +1,201 @@
+; REQUIRES: asserts
+; RUN: opt -inline -mtriple=x86_64-unknown-unknown -S -debug-only=inline-cost < %s 2>&1 | FileCheck %s
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-unknown"
+
+define i32 @outer1(i32* %ptr, i32 %i) {
+  %C = call i32 @inner1(i32* %ptr, i32 %i)
+  ret i32 %C
+}
+
+; zext from i32 to i64 is free.
+; CHECK: Analyzing call of inner1
+; CHECK: NumInstructionsSimplified: 3
+; CHECK: NumInstructions: 4
+define i32 @inner1(i32* %ptr, i32 %i) {
+  %E = zext i32 %i to i64
+  %G = getelementptr inbounds i32, i32* %ptr, i64 %E
+  %L = load i32, i32* %G
+  ret i32 %L
+}
+
+define i16 @outer2(i8* %ptr) {
+  %C = call i16 @inner2(i8* %ptr)
+  ret i16 %C
+}
+
+; It is an ExtLoad.
+; CHECK: Analyzing call of inner2
+; CHECK: NumInstructionsSimplified: 2
+; CHECK: NumInstructions: 3
+define i16 @inner2(i8* %ptr) {
+  %L = load i8, i8* %ptr
+  %E = zext i8 %L to i16
+  ret i16 %E
+}
+
+define i16 @outer3(i8* %ptr) {
+  %C = call i16 @inner3(i8* %ptr)
+  ret i16 %C
+}
+
+; It is an ExtLoad.
+; CHECK: Analyzing call of inner3
+; CHECK: NumInstructionsSimplified: 2
+; CHECK: NumInstructions: 3
+define i16 @inner3(i8* %ptr) {
+  %L = load i8, i8* %ptr
+  %E = sext i8 %L to i16
+  ret i16 %E
+}
+
+define i32 @outer4(i8* %ptr) {
+  %C = call i32 @inner4(i8* %ptr)
+  ret i32 %C
+}
+
+; It is an ExtLoad.
+; CHECK: Analyzing call of inner4
+; CHECK: NumInstructionsSimplified: 2
+; CHECK: NumInstructions: 3
+define i32 @inner4(i8* %ptr) {
+  %L = load i8, i8* %ptr
+  %E = zext i8 %L to i32
+  ret i32 %E
+}
+
+define i32 @outer5(i8* %ptr) {
+  %C = call i32 @inner5(i8* %ptr)
+  ret i32 %C
+}
+
+; It is an ExtLoad.
+; CHECK: Analyzing call of inner5
+; CHECK: NumInstructionsSimplified: 2
+; CHECK: NumInstructions: 3
+define i32 @inner5(i8* %ptr) {
+  %L = load i8, i8* %ptr
+  %E = sext i8 %L to i32
+  ret i32 %E
+}
+
+define i32 @outer6(i16* %ptr) {
+  %C = call i32 @inner6(i16* %ptr)
+  ret i32 %C
+}
+
+; It is an ExtLoad.
+; CHECK: Analyzing call of inner6
+; CHECK: NumInstructionsSimplified: 2
+; CHECK: NumInstructions: 3
+define i32 @inner6(i16* %ptr) {
+  %L = load i16, i16* %ptr
+  %E = zext i16 %L to i32
+  ret i32 %E
+}
+
+define i32 @outer7(i16* %ptr) {
+  %C = call i32 @inner7(i16* %ptr)
+  ret i32 %C
+}
+
+; It is an ExtLoad.
+; CHECK: Analyzing call of inner7
+; CHECK: NumInstructionsSimplified: 2
+; CHECK: NumInstructions: 3
+define i32 @inner7(i16* %ptr) {
+  %L = load i16, i16* %ptr
+  %E = sext i16 %L to i32
+  ret i32 %E
+}
+
+define i64 @outer8(i8* %ptr) {
+  %C = call i64 @inner8(i8* %ptr)
+  ret i64 %C
+}
+
+; It is an ExtLoad.
+; CHECK: Analyzing call of inner8
+; CHECK: NumInstructionsSimplified: 2
+; CHECK: NumInstructions: 3
+define i64 @inner8(i8* %ptr) {
+  %L = load i8, i8* %ptr
+  %E = zext i8 %L to i64
+  ret i64 %E
+}
+
+define i64 @outer9(i8* %ptr) {
+  %C = call i64 @inner9(i8* %ptr)
+  ret i64 %C
+}
+
+; It is an ExtLoad.
+; CHECK: Analyzing call of inner9
+; CHECK: NumInstructionsSimplified: 2
+; CHECK: NumInstructions: 3
+define i64 @inner9(i8* %ptr) {
+  %L = load i8, i8* %ptr
+  %E = sext i8 %L to i64
+  ret i64 %E
+}
+
+define i64 @outer10(i16* %ptr) {
+  %C = call i64 @inner10(i16* %ptr)
+  ret i64 %C
+}
+
+; It is an ExtLoad.
+; CHECK: Analyzing call of inner10
+; CHECK: NumInstructionsSimplified: 2
+; CHECK: NumInstructions: 3
+define i64 @inner10(i16* %ptr) {
+  %L = load i16, i16* %ptr
+  %E = zext i16 %L to i64
+  ret i64 %E
+}
+
+define i64 @outer11(i16* %ptr) {
+  %C = call i64 @inner11(i16* %ptr)
+  ret i64 %C
+}
+
+; It is an ExtLoad.
+; CHECK: Analyzing call of inner11
+; CHECK: NumInstructionsSimplified: 2
+; CHECK: NumInstructions: 3
+define i64 @inner11(i16* %ptr) {
+  %L = load i16, i16* %ptr
+  %E = sext i16 %L to i64
+  ret i64 %E
+}
+
+define i64 @outer12(i32* %ptr) {
+  %C = call i64 @inner12(i32* %ptr)
+  ret i64 %C
+}
+
+; It is an ExtLoad.
+; CHECK: Analyzing call of inner12
+; CHECK: NumInstructionsSimplified: 2
+; CHECK: NumInstructions: 3
+define i64 @inner12(i32* %ptr) {
+  %L = load i32, i32* %ptr
+  %E = zext i32 %L to i64
+  ret i64 %E
+}
+
+define i64 @outer13(i32* %ptr) {
+  %C = call i64 @inner13(i32* %ptr)
+  ret i64 %C
+}
+
+; It is an ExtLoad.
+; CHECK: Analyzing call of inner13
+; CHECK: NumInstructionsSimplified: 2
+; CHECK: NumInstructions: 3
+define i64 @inner13(i32* %ptr) {
+  %L = load i32, i32* %ptr
+  %E = sext i32 %L to i64
+  ret i64 %E
+}